| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Jan 31, 2013 | 3.320 | 3.340 | 3.200 | 3.240 | 2,057,285 | +0.10(+3.18%) |
| Jan 30, 2013 | 3.220 | 3.230 | 3.130 | 3.140 | 1,415,701 | -0.09(-2.79%) |
| Jan 29, 2013 | 3.150 | 3.245 | 3.150 | 3.230 | 1,180,278 | +0.04(+1.25%) |
| Jan 28, 2013 | 3.250 | 3.300 | 3.180 | 3.190 | 1,695,859 | -0.10(-3.04%) |
| Jan 25, 2013 | 3.150 | 3.350 | 3.120 | 3.290 | 2,884,393 | +0.11(+3.46%) |
| Jan 24, 2013 | 3.120 | 3.220 | 3.080 | 3.180 | 1,890,942 | -0.06(-1.85%) |
| Jan 23, 2013 | 3.240 | 3.250 | 3.040 | 3.240 | 1,617,760 | +0.04(+1.25%) |
| Jan 22, 2013 | 3.230 | 3.250 | 3.150 | 3.200 | 1,499,420 | +0.02(+0.63%) |
| Jan 18, 2013 | 3.170 | 3.500 | 3.150 | 3.180 | 4,768,042 | +0.06(+1.92%) |
| Jan 17, 2013 | 3.170 | 3.207 | 3.100 | 3.120 | 1,281,740 | -0.07(-2.19%) |
| Jan 16, 2013 | 3.250 | 3.280 | 3.120 | 3.190 | 2,180,872 | -0.09(-2.74%) |
| Jan 15, 2013 | 3.370 | 3.370 | 3.200 | 3.280 | 1,447,523 | -0.06(-1.80%) |
| Jan 14, 2013 | 3.400 | 3.430 | 3.300 | 3.340 | 1,266,023 | -0.10(-2.91%) |
| Jan 12, 2013 | 3.310 | 3.440 | 3.280 | 3.440 | 1,949,038 | +0.00(+0.00%) |
| Jan 11, 2013 | 3.310 | 3.440 | 3.280 | 3.440 | 1,946,143 | +0.10(+2.99%) |
| Jan 10, 2013 | 3.300 | 3.350 | 3.250 | 3.340 | 1,240,913 | +0.08(+2.45%) |
| Jan 09, 2013 | 3.360 | 3.370 | 3.250 | 3.260 | 1,312,136 | -0.04(-1.21%) |
| Jan 08, 2013 | 3.440 | 3.460 | 3.280 | 3.300 | 2,335,123 | -0.33(-9.09%) |
| Jan 07, 2013 | 3.320 | 3.630 | 3.180 | 3.630 | 2,785,988 | +0.31(+9.34%) |
| Jan 04, 2013 | 3.650 | 3.830 | 3.230 | 3.320 | 9,744,958 | -0.18(-5.14%) |
| Jan 03, 2013 | 2.880 | 3.500 | 2.860 | 3.500 | 10,032,512 | +0.58(+19.86%) |
| Jan 02, 2013 | 2.900 | 2.930 | 2.840 | 2.920 | 1,425,820 | +0.05(+1.74%) |
| Dec 31, 2012 | 2.640 | 2.880 | 2.630 | 2.870 | 2,298,102 | +0.21(+7.89%) |
| Dec 28, 2012 | 2.730 | 2.750 | 2.650 | 2.660 | 2,047,950 | -0.11(-3.97%) |
| Dec 27, 2012 | 2.880 | 2.900 | 2.750 | 2.770 | 2,058,802 | -0.12(-4.15%) |
| Dec 26, 2012 | 2.940 | 2.990 | 2.820 | 2.890 | 2,211,870 | -0.07(-2.36%) |
| Dec 24, 2012 | 3.080 | 3.080 | 2.950 | 2.960 | 917,006 | -0.11(-3.58%) |
| Dec 21, 2012 | 3.020 | 3.090 | 2.960 | 3.070 | 2,136,952 | -0.06(-1.92%) |
| Dec 20, 2012 | 3.240 | 3.240 | 3.100 | 3.130 | 1,838,262 | -0.06(-1.88%) |
| Dec 19, 2012 | 3.190 | 3.450 | 3.160 | 3.190 | 4,954,759 | +0.11(+3.57%) |
| Dec 18, 2012 | 3.000 | 3.100 | 2.830 | 3.080 | 3,587,042 | +0.09(+3.01%) |
| Dec 17, 2012 | 3.020 | 3.080 | 2.930 | 2.990 | 1,374,081 | -0.01(-0.33%) |
| Dec 14, 2012 | 3.000 | 3.070 | 2.980 | 3.000 | 1,220,524 | +0.00(+0.00%) |
| Dec 13, 2012 | 3.070 | 3.100 | 2.970 | 3.000 | 2,519,124 | -0.14(-4.46%) |
| Dec 12, 2012 | 3.190 | 3.190 | 3.080 | 3.140 | 1,279,154 | -0.02(-0.63%) |
| Dec 11, 2012 | 3.060 | 3.190 | 3.050 | 3.160 | 1,800,319 | +0.10(+3.27%) |
| Dec 10, 2012 | 3.110 | 3.200 | 3.050 | 3.060 | 1,693,868 | -0.02(-0.65%) |
| Dec 07, 2012 | 3.170 | 3.230 | 3.060 | 3.080 | 2,013,056 | -0.07(-2.22%) |
| Dec 06, 2012 | 3.090 | 3.230 | 3.090 | 3.150 | 1,412,089 | +0.00(+0.00%) |
| Dec 05, 2012 | 3.320 | 3.370 | 3.030 | 3.150 | 4,915,806 | -0.22(-6.53%) |
| Dec 04, 2012 | 3.400 | 3.420 | 3.280 | 3.370 | 2,112,094 | -0.18(-5.07%) |
| Nov 30, 2012 | 3.400 | 3.550 | 3.280 | 3.550 | 3,107,790 | +0.10(+2.90%) |
| Nov 29, 2012 | 3.590 | 3.600 | 3.430 | 3.450 | 2,133,742 | -0.09(-2.54%) |
| Nov 28, 2012 | 3.500 | 3.580 | 3.310 | 3.540 | 3,243,714 | +0.02(+0.57%) |
| Nov 27, 2012 | 3.670 | 3.700 | 3.510 | 3.520 | 3,549,330 | -0.23(-6.13%) |
| Nov 26, 2012 | 3.890 | 3.940 | 3.710 | 3.750 | 2,420,121 | -0.12(-3.10%) |
| Nov 24, 2012 | 3.890 | 3.890 | 3.800 | 3.870 | 1,695,645 | +0.00(+0.00%) |
| Nov 23, 2012 | 3.890 | 3.890 | 3.800 | 3.870 | 1,695,645 | +0.12(+3.20%) |
| Nov 21, 2012 | 3.650 | 4.050 | 3.510 | 3.750 | 8,214,105 | +0.14(+3.88%) |
| Nov 20, 2012 | 3.700 | 3.710 | 3.610 | 3.610 | 2,297,254 | -0.01(-0.28%) |
| Nov 19, 2012 | 3.700 | 3.710 | 3.560 | 3.620 | 3,218,918 | +0.08(+2.26%) |
| Nov 16, 2012 | 3.620 | 3.680 | 3.510 | 3.540 | 3,684,167 | +0.04(+1.14%) |
| Nov 15, 2012 | 3.510 | 3.640 | 3.410 | 3.500 | 3,816,920 | -0.17(-4.63%) |
| Nov 14, 2012 | 3.720 | 3.850 | 3.620 | 3.670 | 3,883,563 | +0.05(+1.38%) |
| Nov 13, 2012 | 3.670 | 3.920 | 3.400 | 3.620 | 6,113,183 | -0.03(-0.82%) |
| Nov 12, 2012 | 3.530 | 3.700 | 3.400 | 3.650 | 5,253,481 | +0.26(+7.67%) |
| Nov 09, 2012 | 3.450 | 3.570 | 3.350 | 3.390 | 3,484,898 | -0.11(-3.14%) |
| Nov 08, 2012 | 3.400 | 3.620 | 3.260 | 3.500 | 7,112,580 | +0.26(+8.02%) |
| Nov 07, 2012 | 3.740 | 3.760 | 3.030 | 3.240 | 15,116,821 | -0.33(-9.24%) |
| Nov 06, 2012 | 4.170 | 4.420 | 3.000 | 3.570 | 37,014,596 | -0.38(-9.62%) |
| Nov 05, 2012 | 2.820 | 3.980 | 2.750 | 3.950 | 16,219,688 | +1.18(+42.60%) |
| Nov 02, 2012 | 2.820 | 2.850 | 2.360 | 2.770 | 8,302,465 | -0.08(-2.81%) |
| Nov 01, 2012 | 2.500 | 3.060 | 2.170 | 2.850 | 14,084,681 | +0.29(+11.28%) |
| Oct 31, 2012 | 4.190 | 4.470 | 1.750 | 2.561 | 31,327,217 | -1.44(-35.98%) |
| Oct 26, 2012 | 4.000 | 4.000 | 4.000 | 0 | +0.18(+4.71%) | |
| Oct 25, 2012 | 3.650 | 4.140 | 3.550 | 3.820 | 9,261,401 | +0.32(+9.14%) |
| Oct 24, 2012 | 3.710 | 3.720 | 3.430 | 3.500 | 5,199,395 | -0.27(-7.16%) |
| Oct 23, 2012 | 3.590 | 4.350 | 3.360 | 3.770 | 16,998,920 | -0.16(-4.07%) |
| Oct 19, 2012 | 4.170 | 4.170 | 3.870 | 3.930 | 6,348,683 | -0.22(-5.30%) |
| Oct 18, 2012 | 3.990 | 4.380 | 3.880 | 4.150 | 7,303,879 | -0.07(-1.66%) |
| Oct 17, 2012 | 4.650 | 4.650 | 4.050 | 4.220 | 7,687,752 | -0.51(-10.78%) |
| Oct 16, 2012 | 4.760 | 4.860 | 4.650 | 4.730 | 4,453,434 | +0.07(+1.50%) |
| Oct 15, 2012 | 4.780 | 4.780 | 4.450 | 4.660 | 5,942,822 | -0.12(-2.51%) |
| Oct 12, 2012 | 4.960 | 5.000 | 4.520 | 4.780 | 6,594,822 | +0.01(+0.21%) |
| Oct 11, 2012 | 4.790 | 4.890 | 4.670 | 4.770 | 6,543,117 | +0.10(+2.14%) |
| Oct 10, 2012 | 4.290 | 4.750 | 4.280 | 4.670 | 11,725,447 | +0.22(+4.94%) |
| Oct 09, 2012 | 5.640 | 5.730 | 4.400 | 4.450 | 36,001,023 | -0.98(-18.05%) |
| Oct 08, 2012 | 4.980 | 5.570 | 4.900 | 5.430 | 27,898,788 | +0.89(+19.60%) |
| Oct 06, 2012 | 4.560 | 5.000 | 4.370 | 4.540 | 23,945,503 | +0.00(+0.00%) |
| Oct 05, 2012 | 4.560 | 5.000 | 4.370 | 4.540 | 23,774,722 | -0.71(-13.52%) |
| Oct 04, 2012 | 4.540 | 5.550 | 4.320 | 5.250 | 35,152,786 | +0.95(+22.09%) |
| Oct 03, 2012 | 3.140 | 4.300 | 3.010 | 4.300 | 25,468,894 | +1.21(+39.16%) |
| Oct 02, 2012 | 3.030 | 3.120 | 2.980 | 3.090 | 1,408,554 | +0.12(+4.04%) |
| Oct 01, 2012 | 2.980 | 3.080 | 2.850 | 2.970 | 1,821,488 | +0.07(+2.41%) |
| Sep 28, 2012 | 3.100 | 3.100 | 2.782 | 2.900 | 2,681,964 | -0.05(-1.69%) |
| Sep 27, 2012 | 3.260 | 3.260 | 2.830 | 2.950 | 6,369,660 | -0.24(-7.52%) |
| Sep 26, 2012 | 3.290 | 3.330 | 3.150 | 3.190 | 2,400,759 | -0.04(-1.24%) |
| Sep 25, 2012 | 3.220 | 3.330 | 3.200 | 3.230 | 2,575,509 | +0.01(+0.31%) |
| Sep 24, 2012 | 3.250 | 3.340 | 3.150 | 3.220 | 2,063,023 | -0.08(-2.42%) |
| Sep 21, 2012 | 3.210 | 3.300 | 3.180 | 3.300 | 2,156,451 | +0.06(+1.85%) |
| Sep 20, 2012 | 3.200 | 3.300 | 3.130 | 3.240 | 1,769,713 | +0.09(+2.86%) |
| Sep 19, 2012 | 3.340 | 3.400 | 3.140 | 3.150 | 2,985,480 | -0.19(-5.69%) |
| Sep 18, 2012 | 3.450 | 3.530 | 3.110 | 3.340 | 5,879,561 | -0.05(-1.47%) |
| Sep 17, 2012 | 3.550 | 3.570 | 3.350 | 3.390 | 1,994,559 | -0.16(-4.51%) |
| Sep 14, 2012 | 3.470 | 3.590 | 3.460 | 3.550 | 2,207,139 | +0.05(+1.43%) |
| Sep 13, 2012 | 3.470 | 3.520 | 3.380 | 3.500 | 1,589,533 | -0.02(-0.57%) |
| Sep 12, 2012 | 3.510 | 3.600 | 3.420 | 3.520 | 2,337,941 | +0.05(+1.44%) |
| Sep 11, 2012 | 3.390 | 3.490 | 3.270 | 3.470 | 2,244,229 | +0.05(+1.46%) |
| Sep 10, 2012 | 3.580 | 3.590 | 3.350 | 3.420 | 2,206,885 | -0.11(-3.12%) |
| Sep 07, 2012 | 3.320 | 3.590 | 3.260 | 3.530 | 4,328,971 | +0.24(+7.29%) |
| Sep 06, 2012 | 3.190 | 3.290 | 3.170 | 3.290 | 2,800,139 | +0.09(+2.81%) |
| Sep 05, 2012 | 3.280 | 3.280 | 3.130 | 3.200 | 2,077,018 | -0.04(-1.23%) |
| Sep 04, 2012 | 3.220 | 3.290 | 3.160 | 3.240 | 2,461,337 | +0.09(+2.86%) |
| Aug 31, 2012 | 3.260 | 3.310 | 3.150 | 3.150 | 2,915,627 | -0.02(-0.63%) |
| Aug 30, 2012 | 3.250 | 3.250 | 3.100 | 3.170 | 3,907,151 | -0.10(-3.06%) |
| Aug 29, 2012 | 3.300 | 3.360 | 3.200 | 3.270 | 3,598,026 | -0.14(-4.11%) |
| Aug 27, 2012 | 3.420 | 3.530 | 3.300 | 3.410 | 5,212,928 | -0.16(-4.48%) |
| Aug 24, 2012 | 3.700 | 3.700 | 3.500 | 3.570 | 2,546,444 | -0.09(-2.46%) |
| Aug 23, 2012 | 3.730 | 3.820 | 3.630 | 3.660 | 3,328,601 | -0.06(-1.61%) |
| Aug 22, 2012 | 3.780 | 3.780 | 3.610 | 3.720 | 3,199,487 | -0.03(-0.80%) |
| Aug 21, 2012 | 3.480 | 3.830 | 3.430 | 3.750 | 7,969,070 | +0.32(+9.33%) |
| Aug 20, 2012 | 3.420 | 3.450 | 3.300 | 3.430 | 4,097,253 | +0.08(+2.39%) |
| Aug 17, 2012 | 3.420 | 3.420 | 3.100 | 3.350 | 5,028,896 | +0.10(+3.08%) |
| Aug 16, 2012 | 3.140 | 3.280 | 3.050 | 3.250 | 3,195,318 | +0.17(+5.52%) |
| Aug 15, 2012 | 3.400 | 3.400 | 3.080 | 3.080 | 3,924,727 | -0.26(-7.78%) |
| Aug 14, 2012 | 3.470 | 3.470 | 3.240 | 3.340 | 2,029,608 | -0.06(-1.76%) |
| Aug 13, 2012 | 3.440 | 3.530 | 3.370 | 3.400 | 3,896,767 | -0.04(-1.16%) |
| Aug 11, 2012 | 3.400 | 3.690 | 3.340 | 3.440 | 7,532,933 | +0.00(+0.00%) |
| Aug 10, 2012 | 3.400 | 3.690 | 3.340 | 3.440 | 7,532,933 | +0.10(+2.99%) |
| Aug 09, 2012 | 3.750 | 3.750 | 3.190 | 3.340 | 7,435,344 | -0.10(-2.91%) |
| Aug 08, 2012 | 3.840 | 3.940 | 3.440 | 3.440 | 4,091,046 | -0.46(-11.79%) |
| Aug 07, 2012 | 3.970 | 4.090 | 3.750 | 3.900 | 8,152,810 | +0.32(+8.94%) |
| Aug 06, 2012 | 3.120 | 3.930 | 2.970 | 3.580 | 12,636,806 | +0.46(+14.74%) |
| Aug 03, 2012 | 3.250 | 3.350 | 2.950 | 3.120 | 2,194,877 | -0.04(-1.27%) |
| Aug 02, 2012 | 2.890 | 3.260 | 2.850 | 3.160 | 3,060,735 | +0.31(+10.88%) |
| Aug 01, 2012 | 3.430 | 3.450 | 2.850 | 2.850 | 3,769,890 | -0.48(-14.31%) |
| Jul 31, 2012 | 3.620 | 3.640 | 3.180 | 3.326 | 3,128,117 | -0.24(-6.83%) |
| Jul 30, 2012 | 3.780 | 3.850 | 3.520 | 3.570 | 2,413,576 | -0.13(-3.51%) |
| Jul 27, 2012 | 3.810 | 3.920 | 3.650 | 3.700 | 2,417,741 | -0.02(-0.54%) |
| Jul 26, 2012 | 4.200 | 4.290 | 3.720 | 3.720 | 4,660,765 | -0.36(-8.82%) |
| Jul 25, 2012 | 3.850 | 4.320 | 3.760 | 4.080 | 6,908,776 | +0.15(+3.82%) |
| Jul 24, 2012 | 4.170 | 4.230 | 3.930 | 3.930 | 6,503,482 | +0.02(+0.51%) |
| Jul 23, 2012 | 3.680 | 4.000 | 3.570 | 3.910 | 7,418,022 | +0.34(+9.52%) |
| Jul 20, 2012 | 3.850 | 3.850 | 3.500 | 3.570 | 2,880,372 | -0.13(-3.51%) |
| Jul 19, 2012 | 3.670 | 3.800 | 3.480 | 3.700 | 2,992,692 | +0.10(+2.78%) |
| Jul 18, 2012 | 3.860 | 3.860 | 3.570 | 3.600 | 3,066,708 | -0.28(-7.22%) |
| Jul 17, 2012 | 3.970 | 3.980 | 3.660 | 3.880 | 1,387,607 | -0.08(-2.02%) |
| Jul 16, 2012 | 3.920 | 4.030 | 3.860 | 3.960 | 1,979,503 | +0.04(+1.02%) |
| Jul 14, 2012 | 4.070 | 4.120 | 3.860 | 3.920 | 1,738,827 | +0.00(+0.00%) |
| Jul 13, 2012 | 4.070 | 4.120 | 3.860 | 3.920 | 1,735,927 | -0.08(-2.00%) |
| Jul 12, 2012 | 3.990 | 4.140 | 3.850 | 4.000 | 2,235,434 | +0.08(+2.04%) |
| Jul 11, 2012 | 3.880 | 3.920 | 3.800 | 3.920 | 702,580 | +0.05(+1.29%) |
| Jul 10, 2012 | 4.070 | 4.250 | 3.820 | 3.870 | 3,059,375 | +0.22(+6.03%) |
| Jul 09, 2012 | 3.750 | 3.800 | 3.600 | 3.650 | 687,937 | -0.12(-3.18%) |
| Jul 06, 2012 | 3.750 | 3.920 | 3.560 | 3.770 | 1,770,795 | +0.11(+3.01%) |
| Jul 05, 2012 | 3.850 | 3.870 | 3.610 | 3.660 | 825,232 | -0.19(-4.94%) |
| Jul 03, 2012 | 3.800 | 3.940 | 3.760 | 3.850 | 779,295 | -0.03(-0.77%) |
| Jul 02, 2012 | 3.930 | 4.000 | 3.810 | 3.880 | 597,907 | +0.05(+1.30%) |
| Jun 30, 2012 | 4.060 | 4.060 | 3.830 | 3.830 | 810,625 | -0.03(-0.77%) |
| Jun 29, 2012 | 4.060 | 4.060 | 3.830 | 3.860 | 834,872 | -0.07(-1.78%) |
| Jun 28, 2012 | 4.050 | 4.050 | 3.890 | 3.930 | 716,919 | -0.05(-1.26%) |
| Jun 27, 2012 | 4.060 | 4.090 | 3.920 | 3.980 | 1,209,694 | +0.01(+0.25%) |
| Jun 26, 2012 | 3.920 | 4.080 | 3.860 | 3.970 | 1,144,628 | +0.10(+2.58%) |
| Jun 25, 2012 | 3.810 | 4.200 | 3.650 | 3.870 | 2,321,069 | +0.02(+0.52%) |
| Jun 22, 2012 | 3.960 | 3.970 | 3.770 | 3.850 | 1,289,967 | +0.04(+1.05%) |
| Jun 21, 2012 | 4.120 | 4.120 | 3.800 | 3.810 | 2,207,263 | -0.38(-9.07%) |
| Jun 20, 2012 | 4.400 | 4.420 | 4.020 | 4.190 | 2,161,126 | -0.17(-3.90%) |
| Jun 19, 2012 | 5.160 | 5.450 | 4.310 | 4.360 | 8,507,486 | +0.34(+8.46%) |
| Jun 18, 2012 | 3.610 | 4.340 | 3.450 | 4.020 | 2,453,697 | +0.35(+9.54%) |
| Jun 15, 2012 | 3.830 | 3.950 | 3.550 | 3.670 | 1,368,328 | -0.09(-2.39%) |
| Jun 14, 2012 | 3.350 | 3.800 | 3.350 | 3.760 | 1,791,382 | +0.36(+10.59%) |
| Jun 13, 2012 | 3.280 | 3.430 | 3.280 | 3.400 | 541,949 | +0.10(+3.03%) |
| Jun 12, 2012 | 3.310 | 3.500 | 3.180 | 3.300 | 676,863 | -0.05(-1.49%) |
| Jun 11, 2012 | 3.600 | 3.650 | 3.290 | 3.350 | 670,873 | -0.16(-4.56%) |
| Jun 08, 2012 | 3.650 | 3.690 | 3.480 | 3.510 | 639,759 | -0.19(-5.14%) |
| Jun 07, 2012 | 3.600 | 3.840 | 3.430 | 3.700 | 748,960 | +0.14(+3.93%) |
| Jun 06, 2012 | 3.870 | 3.950 | 3.510 | 3.560 | 972,405 | -0.14(-3.78%) |
| Jun 05, 2012 | 4.000 | 4.150 | 3.510 | 3.700 | 1,379,294 | -0.45(-10.84%) |
| Jun 04, 2012 | 4.250 | 4.630 | 3.640 | 4.150 | 6,203,804 | +0.05(+1.22%) |
| Jun 02, 2012 | 3.800 | 4.400 | 3.570 | 4.100 | 4,321,566 | +0.00(+0.00%) |
| Jun 01, 2012 | 3.800 | 4.400 | 3.570 | 4.100 | 4,321,216 | +0.31(+8.18%) |
| May 31, 2012 | 3.580 | 3.850 | 3.490 | 3.790 | 1,789,561 | +0.29(+8.29%) |
| May 30, 2012 | 3.410 | 3.520 | 3.200 | 3.500 | 408,032 | +0.12(+3.55%) |
| May 29, 2012 | 3.390 | 3.500 | 3.210 | 3.380 | 552,289 | -0.01(-0.29%) |
| May 25, 2012 | 3.300 | 3.430 | 3.070 | 3.390 | 643,962 | +0.00(+0.00%) |
| May 24, 2012 | 2.680 | 3.390 | 2.610 | 3.390 | 1,454,817 | +0.67(+24.63%) |
| May 23, 2012 | 2.700 | 2.740 | 2.550 | 2.720 | 793,378 | +0.00(+0.00%) |
| May 22, 2012 | 2.880 | 2.980 | 2.680 | 2.720 | 425,426 | -0.13(-4.56%) |
| May 21, 2012 | 3.070 | 3.070 | 2.720 | 2.850 | 892,484 | -0.17(-5.63%) |
| May 18, 2012 | 3.350 | 3.440 | 2.970 | 3.020 | 801,866 | -0.31(-9.31%) |
| May 17, 2012 | 3.290 | 3.400 | 3.110 | 3.330 | 817,223 | +0.00(+0.00%) |
| May 16, 2012 | 3.360 | 3.550 | 3.280 | 3.330 | 495,303 | +0.00(+0.00%) |
| May 15, 2012 | 3.580 | 3.650 | 3.240 | 3.330 | 686,478 | +0.05(+1.52%) |
| May 14, 2012 | 3.380 | 3.410 | 3.210 | 3.280 | 286,804 | -0.11(-3.24%) |
| May 11, 2012 | 3.410 | 3.480 | 3.350 | 3.390 | 365,495 | +0.00(+0.00%) |
| May 10, 2012 | 3.590 | 3.590 | 3.366 | 3.390 | 364,377 | -0.12(-3.42%) |
| May 09, 2012 | 3.630 | 3.640 | 3.480 | 3.510 | 416,156 | -0.13(-3.57%) |
| May 08, 2012 | 3.850 | 3.850 | 3.560 | 3.640 | 609,946 | -0.16(-4.21%) |
| May 07, 2012 | 3.800 | 3.930 | 3.580 | 3.800 | 1,605,237 | +0.18(+4.97%) |
| May 04, 2012 | 3.580 | 3.710 | 3.250 | 3.620 | 1,416,705 | +0.24(+7.10%) |
| May 03, 2012 | 3.460 | 3.460 | 3.100 | 3.380 | 888,462 | +0.06(+1.81%) |
| May 02, 2012 | 3.390 | 3.530 | 3.250 | 3.320 | 718,459 | -0.03(-0.90%) |
| May 01, 2012 | 3.530 | 3.530 | 3.310 | 3.350 | 484,859 | -0.16(-4.56%) |
| Apr 30, 2012 | 3.290 | 3.660 | 3.140 | 3.510 | 1,854,560 | +0.27(+8.33%) |
| Apr 27, 2012 | 3.390 | 3.400 | 3.010 | 3.240 | 1,180,803 | +0.01(+0.31%) |
| Apr 26, 2012 | 3.450 | 3.650 | 3.190 | 3.230 | 957,458 | -0.29(-8.24%) |
| Apr 25, 2012 | 3.650 | 3.670 | 3.400 | 3.520 | 1,262,981 | +0.18(+5.39%) |
| Apr 24, 2012 | 3.830 | 3.930 | 3.170 | 3.340 | 2,353,467 | -0.53(-13.70%) |
| Apr 23, 2012 | 3.820 | 4.070 | 3.750 | 3.870 | 1,686,575 | -0.08(-2.02%) |
| Apr 20, 2012 | 4.050 | 4.050 | 3.800 | 3.950 | 1,163,734 | +0.02(+0.51%) |
| Apr 19, 2012 | 4.150 | 4.150 | 3.910 | 3.930 | 1,319,891 | +0.02(+0.51%) |
| Apr 18, 2012 | 3.835 | 4.160 | 3.750 | 3.910 | 3,265,468 | +0.07(+1.82%) |
| Apr 17, 2012 | 4.030 | 4.130 | 3.710 | 3.840 | 4,253,607 | -0.13(-3.27%) |
| Apr 16, 2012 | 3.930 | 4.510 | 3.710 | 3.970 | 18,958,867 | +0.93(+30.59%) |
| Apr 13, 2012 | 2.990 | 3.050 | 2.790 | 3.040 | 2,048,676 | +0.04(+1.33%) |
| Apr 12, 2012 | 2.980 | 3.180 | 2.930 | 3.000 | 1,453,796 | -0.05(-1.64%) |
| Apr 11, 2012 | 3.310 | 3.440 | 2.940 | 3.050 | 2,673,485 | -0.20(-6.15%) |
| Apr 10, 2012 | 3.600 | 3.600 | 3.080 | 3.250 | 6,391,931 | -0.11(-3.27%) |
| Apr 09, 2012 | 3.040 | 3.760 | 2.750 | 3.360 | 11,571,136 | +0.70(+26.32%) |
| Apr 05, 2012 | 2.555 | 2.960 | 2.470 | 2.660 | 3,707,716 | +0.08(+3.10%) |
| Apr 04, 2012 | 2.930 | 3.140 | 2.570 | 2.580 | 5,137,896 | -0.67(-20.62%) |
| Apr 03, 2012 | 3.620 | 4.050 | 3.100 | 3.250 | 22,128,238 | +0.15(+4.84%) |
| Apr 02, 2012 | 1.940 | 3.120 | 1.800 | 3.100 | 17,995,808 | +1.45(+87.88%) |
| Mar 30, 2012 | 1.670 | 1.670 | 1.610 | 1.650 | 226,938 | -0.01(-0.61%) |
| Mar 29, 2012 | 1.690 | 1.690 | 1.600 | 1.660 | 210,449 | +0.01(+0.61%) |
| Mar 28, 2012 | 1.650 | 1.700 | 1.570 | 1.650 | 342,061 | +0.00(+0.00%) |
| Mar 27, 2012 | 1.810 | 1.810 | 1.650 | 1.650 | 303,168 | -0.07(-4.07%) |
| Mar 26, 2012 | 1.670 | 1.730 | 1.630 | 1.720 | 378,658 | +0.06(+3.61%) |
| Mar 23, 2012 | 1.651 | 1.670 | 1.600 | 1.660 | 361,038 | +0.01(+0.61%) |
| Mar 22, 2012 | 1.610 | 1.690 | 1.600 | 1.650 | 235,551 | +0.04(+2.48%) |
| Mar 21, 2012 | 1.690 | 1.780 | 1.570 | 1.610 | 1,045,134 | -0.09(-5.29%) |
| Mar 20, 2012 | 1.630 | 1.780 | 1.630 | 1.700 | 897,193 | +0.10(+6.26%) |
| Mar 19, 2012 | 1.550 | 1.630 | 1.520 | 1.600 | 329,296 | +0.08(+5.26%) |
| Mar 16, 2012 | 1.590 | 1.610 | 1.460 | 1.520 | 1,149,304 | -0.12(-7.32%) |
| Mar 15, 2012 | 1.800 | 1.820 | 1.570 | 1.640 | 1,422,800 | -0.20(-10.87%) |
| Mar 14, 2012 | 2.050 | 2.140 | 1.700 | 1.840 | 3,265,606 | +0.19(+11.52%) |
| Mar 13, 2012 | 1.700 | 1.760 | 1.650 | 1.650 | 255,629 | -0.09(-5.17%) |
| Mar 12, 2012 | 1.710 | 1.790 | 1.670 | 1.740 | 259,639 | +0.02(+1.16%) |
| Mar 09, 2012 | 1.850 | 1.850 | 1.680 | 1.720 | 386,278 | -0.01(-0.58%) |
| Mar 08, 2012 | 1.690 | 1.770 | 1.630 | 1.730 | 779,236 | +0.06(+3.59%) |
| Mar 07, 2012 | 1.630 | 1.700 | 1.570 | 1.670 | 637,548 | +0.06(+3.73%) |
| Mar 06, 2012 | 1.610 | 1.700 | 1.500 | 1.610 | 424,124 | +0.00(+0.00%) |
| Mar 05, 2012 | 1.830 | 1.900 | 1.550 | 1.610 | 1,451,924 | -0.11(-6.40%) |
| Mar 02, 2012 | 1.440 | 1.730 | 1.425 | 1.720 | 2,524,699 | +0.28(+19.44%) |
| Mar 01, 2012 | 1.320 | 1.450 | 1.310 | 1.440 | 677,434 | +0.09(+6.67%) |
| Feb 29, 2012 | 1.410 | 1.440 | 1.290 | 1.350 | 347,573 | -0.04(-2.99%) |
| Feb 28, 2012 | 1.420 | 1.460 | 1.340 | 1.392 | 534,784 | -0.03(-2.00%) |
| Feb 27, 2012 | 1.290 | 1.490 | 1.280 | 1.420 | 1,213,809 | +0.12(+9.23%) |
| Feb 24, 2012 | 1.250 | 1.300 | 1.200 | 1.300 | 476,650 | +0.08(+6.56%) |
| Feb 23, 2012 | 1.230 | 1.250 | 1.180 | 1.220 | 411,833 | +0.01(+0.83%) |
| Feb 22, 2012 | 1.250 | 1.290 | 1.180 | 1.210 | 673,643 | +0.02(+1.67%) |
| Feb 21, 2012 | 1.270 | 1.290 | 1.160 | 1.190 | 413,763 | -0.08(-6.29%) |
| Feb 17, 2012 | 1.270 | 1.320 | 1.259 | 1.270 | 327,706 | -0.02(-1.55%) |
| Feb 16, 2012 | 1.360 | 1.361 | 1.210 | 1.290 | 708,095 | -0.04(-3.01%) |
| Feb 15, 2012 | 1.400 | 1.740 | 1.250 | 1.330 | 3,964,536 | -0.10(-7.00%) |
| Feb 14, 2012 | 1.400 | 1.470 | 1.350 | 1.430 | 795,503 | -0.01(-0.68%) |
| Feb 13, 2012 | 1.460 | 1.460 | 1.360 | 1.440 | 517,132 | +0.01(+0.69%) |
| Feb 10, 2012 | 1.380 | 1.530 | 1.280 | 1.430 | 1,367,455 | +0.05(+3.62%) |
| Feb 09, 2012 | 1.590 | 1.590 | 1.350 | 1.380 | 870,654 | -0.12(-8.00%) |
| Feb 08, 2012 | 1.580 | 1.580 | 1.400 | 1.500 | 1,083,643 | +0.02(+1.35%) |
| Feb 07, 2012 | 1.450 | 1.570 | 1.320 | 1.480 | 1,813,632 | -0.11(-6.92%) |
| Feb 06, 2012 | 1.630 | 2.190 | 1.490 | 1.590 | 4,817,799 | -0.17(-9.66%) |
| Feb 03, 2012 | 1.750 | 1.940 | 1.710 | 1.760 | 3,161,233 | +0.06(+3.53%) |
| Feb 02, 2012 | 1.450 | 1.970 | 1.340 | 1.700 | 3,949,045 | +0.35(+25.93%) |