| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 4.700 | 4.720 | 4.540 | 4.640 | 2,232,614 | -0.06(-1.28%) |
| May 30, 2012 | 4.820 | 4.870 | 4.700 | 4.700 | 1,534,148 | -0.26(-5.24%) |
| May 29, 2012 | 5.020 | 5.150 | 4.870 | 4.960 | 2,514,185 | -0.01(-0.20%) |
| May 25, 2012 | 4.830 | 5.000 | 4.820 | 4.970 | 2,814,439 | +0.14(+2.90%) |
| May 24, 2012 | 4.840 | 4.850 | 4.720 | 4.830 | 1,900,674 | -0.01(-0.21%) |
| May 23, 2012 | 4.750 | 4.850 | 4.670 | 4.840 | 2,413,495 | +0.06(+1.26%) |
| May 22, 2012 | 4.750 | 4.900 | 4.690 | 4.780 | 4,631,678 | +0.04(+0.84%) |
| May 21, 2012 | 4.550 | 4.750 | 4.530 | 4.740 | 2,232,329 | +0.19(+4.18%) |
| May 18, 2012 | 4.540 | 4.660 | 4.490 | 4.550 | 2,945,158 | +0.04(+0.89%) |
| May 17, 2012 | 4.670 | 4.700 | 4.510 | 4.510 | 2,212,606 | -0.16(-3.43%) |
| May 16, 2012 | 4.740 | 4.940 | 4.660 | 4.670 | 2,844,969 | -0.05(-1.06%) |
| May 15, 2012 | 4.760 | 4.890 | 4.700 | 4.720 | 2,541,283 | -0.05(-1.05%) |
| May 14, 2012 | 4.680 | 4.890 | 4.680 | 4.770 | 2,607,359 | +0.06(+1.27%) |
| May 11, 2012 | 4.790 | 4.800 | 4.670 | 4.710 | 2,590,046 | -0.11(-2.28%) |
| May 10, 2012 | 4.820 | 4.850 | 4.720 | 4.820 | 2,537,571 | +0.06(+1.26%) |
| May 09, 2012 | 4.930 | 4.949 | 4.740 | 4.760 | 4,452,145 | -0.20(-4.03%) |
| May 08, 2012 | 5.010 | 5.070 | 4.910 | 4.960 | 2,971,419 | -0.08(-1.59%) |
| May 07, 2012 | 5.090 | 5.180 | 5.000 | 5.040 | 1,848,801 | -0.04(-0.79%) |
| May 04, 2012 | 5.140 | 5.160 | 5.050 | 5.080 | 4,246,944 | -0.07(-1.36%) |
| May 03, 2012 | 5.050 | 5.180 | 4.970 | 5.150 | 6,449,168 | +0.13(+2.59%) |
| May 02, 2012 | 5.130 | 5.210 | 4.940 | 5.020 | 6,908,797 | -0.15(-2.90%) |
| May 01, 2012 | 5.200 | 5.240 | 5.150 | 5.170 | 5,895,545 | -0.01(-0.19%) |
| Apr 30, 2012 | 5.360 | 5.370 | 5.150 | 5.180 | 10,253,661 | -0.18(-3.36%) |
| Apr 27, 2012 | 5.600 | 5.620 | 5.350 | 5.360 | 5,521,250 | -0.27(-4.80%) |
| Apr 26, 2012 | 5.320 | 5.670 | 5.300 | 5.630 | 5,498,943 | +0.32(+6.03%) |
| Apr 25, 2012 | 5.390 | 5.420 | 5.300 | 5.310 | 4,076,963 | -0.03(-0.56%) |
| Apr 24, 2012 | 5.350 | 5.740 | 5.270 | 5.340 | 14,859,586 | -0.63(-10.55%) |
| Apr 23, 2012 | 6.110 | 6.140 | 5.930 | 5.970 | 4,680,571 | -0.26(-4.17%) |
| Apr 20, 2012 | 6.350 | 6.370 | 6.190 | 6.230 | 3,568,991 | -0.11(-1.74%) |
| Apr 19, 2012 | 6.020 | 6.380 | 6.000 | 6.340 | 6,030,156 | +0.29(+4.79%) |
| Apr 18, 2012 | 6.120 | 6.160 | 5.980 | 6.050 | 3,069,718 | -0.13(-2.10%) |
| Apr 17, 2012 | 6.020 | 6.290 | 6.000 | 6.180 | 2,724,344 | +0.19(+3.17%) |
| Apr 16, 2012 | 5.990 | 6.050 | 5.840 | 5.990 | 3,659,495 | +0.04(+0.67%) |
| Apr 13, 2012 | 6.110 | 6.110 | 5.920 | 5.950 | 2,345,673 | -0.16(-2.62%) |
| Apr 12, 2012 | 6.030 | 6.160 | 6.000 | 6.110 | 2,597,033 | +0.09(+1.50%) |
| Apr 11, 2012 | 5.900 | 6.060 | 5.880 | 6.020 | 3,741,903 | +0.18(+3.08%) |
| Apr 10, 2012 | 6.050 | 6.095 | 5.830 | 5.840 | 4,648,080 | -0.22(-3.63%) |
| Apr 09, 2012 | 6.000 | 6.090 | 5.920 | 6.060 | 3,940,669 | +0.01(+0.17%) |
| Apr 05, 2012 | 6.270 | 6.320 | 6.050 | 6.050 | 4,424,316 | -0.22(-3.51%) |
| Apr 04, 2012 | 6.120 | 6.330 | 6.040 | 6.270 | 5,798,707 | +0.12(+1.95%) |
| Apr 03, 2012 | 6.330 | 6.380 | 6.120 | 6.150 | 4,897,902 | -0.15(-2.38%) |
| Apr 02, 2012 | 6.160 | 6.330 | 6.160 | 6.300 | 4,261,933 | +0.08(+1.29%) |
| Mar 30, 2012 | 6.360 | 6.360 | 6.140 | 6.220 | 4,542,408 | -0.09(-1.43%) |
| Mar 29, 2012 | 6.400 | 6.400 | 6.140 | 6.310 | 6,660,182 | -0.12(-1.87%) |
| Mar 28, 2012 | 6.510 | 6.550 | 6.420 | 6.430 | 3,297,533 | -0.05(-0.77%) |
| Mar 27, 2012 | 6.530 | 6.580 | 6.460 | 6.480 | 3,091,123 | -0.02(-0.31%) |
| Mar 26, 2012 | 6.570 | 6.590 | 6.450 | 6.500 | 4,135,084 | +0.00(+0.00%) |
| Mar 23, 2012 | 6.520 | 6.540 | 6.410 | 6.500 | 2,851,144 | +0.04(+0.62%) |
| Mar 22, 2012 | 6.470 | 6.620 | 6.420 | 6.460 | 4,855,786 | -0.02(-0.31%) |
| Mar 21, 2012 | 6.620 | 6.660 | 6.480 | 6.480 | 5,049,671 | -0.16(-2.41%) |
| Mar 20, 2012 | 6.580 | 6.670 | 6.530 | 6.640 | 2,921,936 | +0.02(+0.30%) |
| Mar 19, 2012 | 6.630 | 6.710 | 6.550 | 6.620 | 4,529,619 | +0.00(+0.00%) |
| Mar 16, 2012 | 6.790 | 6.810 | 6.590 | 6.620 | 7,015,061 | -0.15(-2.22%) |
| Mar 15, 2012 | 6.650 | 6.790 | 6.500 | 6.770 | 6,205,771 | +0.14(+2.11%) |
| Mar 14, 2012 | 6.840 | 6.870 | 6.580 | 6.630 | 5,171,762 | -0.30(-4.33%) |
| Mar 13, 2012 | 6.950 | 6.980 | 6.860 | 6.930 | 3,760,679 | +0.07(+1.02%) |
| Mar 12, 2012 | 7.040 | 7.050 | 6.850 | 6.860 | 2,804,058 | -0.14(-2.00%) |
| Mar 09, 2012 | 7.040 | 7.120 | 7.000 | 7.000 | 3,205,664 | -0.04(-0.57%) |
| Mar 08, 2012 | 7.200 | 7.200 | 6.990 | 7.040 | 2,566,214 | -0.07(-0.98%) |
| Mar 07, 2012 | 6.890 | 7.200 | 6.860 | 7.110 | 4,500,578 | +0.28(+4.10%) |
| Mar 06, 2012 | 6.820 | 7.010 | 6.760 | 6.830 | 3,783,717 | -0.07(-1.01%) |
| Mar 05, 2012 | 6.930 | 6.990 | 6.800 | 6.900 | 3,957,987 | -0.05(-0.72%) |
| Mar 02, 2012 | 7.110 | 7.110 | 6.920 | 6.950 | 3,877,893 | -0.12(-1.70%) |