| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 4.260 | 4.650 | 4.260 | 4.640 | 140,717 | +0.53(+12.90%) |
| Feb 25, 2011 | 4.050 | 4.250 | 4.040 | 4.110 | 32,970 | +0.14(+3.53%) |
| Feb 24, 2011 | 3.900 | 4.130 | 3.860 | 3.970 | 30,929 | +0.06(+1.53%) |
| Feb 23, 2011 | 4.240 | 4.240 | 3.800 | 3.910 | 73,681 | -0.28(-6.68%) |
| Feb 22, 2011 | 4.230 | 4.270 | 4.110 | 4.190 | 52,310 | -0.17(-3.90%) |
| Feb 18, 2011 | 4.260 | 4.380 | 4.230 | 4.360 | 29,272 | +0.06(+1.40%) |
| Feb 17, 2011 | 3.920 | 4.420 | 3.920 | 4.300 | 151,365 | +0.35(+8.86%) |
| Feb 16, 2011 | 4.350 | 4.370 | 3.890 | 3.950 | 150,705 | -0.40(-9.20%) |
| Feb 15, 2011 | 4.020 | 4.430 | 3.890 | 4.350 | 264,999 | +0.29(+7.14%) |
| Feb 14, 2011 | 4.400 | 4.550 | 4.020 | 4.060 | 163,403 | -0.42(-9.38%) |
| Feb 11, 2011 | 4.690 | 4.770 | 4.470 | 4.480 | 54,516 | -0.20(-4.27%) |
| Feb 10, 2011 | 4.750 | 5.090 | 4.620 | 4.680 | 116,575 | -0.17(-3.51%) |
| Feb 09, 2011 | 4.990 | 4.990 | 4.750 | 4.850 | 91,065 | -0.11(-2.22%) |
| Feb 08, 2011 | 4.930 | 5.100 | 4.580 | 4.960 | 396,524 | +0.66(+15.35%) |
| Feb 07, 2011 | 4.380 | 4.540 | 4.250 | 4.300 | 111,973 | -0.04(-0.92%) |
| Feb 04, 2011 | 4.290 | 4.500 | 4.010 | 4.340 | 108,651 | +0.19(+4.58%) |
| Feb 03, 2011 | 4.390 | 4.390 | 4.110 | 4.150 | 59,735 | +0.04(+0.97%) |
| Feb 02, 2011 | 4.070 | 4.340 | 4.070 | 4.110 | 69,482 | -0.02(-0.48%) |
| Feb 01, 2011 | 3.840 | 4.290 | 3.840 | 4.130 | 64,856 | +0.31(+8.12%) |
| Jan 31, 2011 | 3.920 | 4.230 | 3.650 | 3.820 | 69,564 | -0.09(-2.30%) |
| Jan 28, 2011 | 4.280 | 4.390 | 3.750 | 3.910 | 199,171 | -0.28(-6.68%) |
| Jan 27, 2011 | 4.100 | 4.339 | 4.040 | 4.190 | 37,789 | +0.09(+2.16%) |
| Jan 26, 2011 | 4.060 | 4.200 | 4.010 | 4.101 | 77,053 | +0.02(+0.52%) |
| Jan 25, 2011 | 4.350 | 4.350 | 4.010 | 4.080 | 66,620 | -0.11(-2.63%) |
| Jan 24, 2011 | 4.240 | 4.550 | 4.120 | 4.190 | 263,919 | +0.04(+0.96%) |
| Jan 21, 2011 | 4.400 | 4.440 | 4.120 | 4.150 | 137,280 | -0.01(-0.24%) |
| Jan 20, 2011 | 4.430 | 4.430 | 4.080 | 4.160 | 219,207 | -0.20(-4.59%) |
| Jan 19, 2011 | 4.200 | 4.410 | 4.120 | 4.360 | 486,782 | +0.73(+20.11%) |
| Jan 18, 2011 | 3.950 | 3.950 | 3.560 | 3.630 | 142,720 | -0.12(-3.20%) |
| Jan 14, 2011 | 3.300 | 3.900 | 3.200 | 3.750 | 255,771 | +0.48(+14.68%) |
| Jan 13, 2011 | 3.300 | 3.300 | 3.150 | 3.270 | 57,815 | -0.03(-0.91%) |
| Jan 12, 2011 | 3.290 | 3.300 | 3.219 | 3.300 | 66,074 | +0.15(+4.70%) |
| Jan 11, 2011 | 3.050 | 3.330 | 3.020 | 3.152 | 40,165 | +0.03(+1.03%) |
| Jan 10, 2011 | 2.950 | 3.260 | 2.950 | 3.120 | 49,112 | +0.17(+5.76%) |
| Jan 07, 2011 | 3.170 | 3.170 | 2.560 | 2.950 | 93,958 | -0.17(-5.45%) |
| Jan 06, 2011 | 3.250 | 3.330 | 3.100 | 3.120 | 109,112 | +0.02(+0.65%) |
| Jan 05, 2011 | 3.200 | 3.250 | 3.070 | 3.100 | 33,952 | +0.00(+0.00%) |
| Jan 04, 2011 | 3.010 | 3.150 | 3.000 | 3.100 | 67,177 | +0.12(+4.03%) |
| Jan 03, 2011 | 2.900 | 3.050 | 2.900 | 2.980 | 126,231 | +0.12(+4.23%) |
| Dec 31, 2010 | 2.700 | 2.940 | 2.700 | 2.859 | 29,361 | +0.13(+4.73%) |
| Dec 30, 2010 | 2.660 | 2.730 | 2.650 | 2.730 | 7,323 | -0.00(-0.00%) |
| Dec 29, 2010 | 2.660 | 2.730 | 2.600 | 2.730 | 22,381 | +0.13(+5.00%) |
| Dec 28, 2010 | 2.680 | 2.680 | 2.550 | 2.600 | 11,831 | -0.04(-1.52%) |
| Dec 27, 2010 | 2.550 | 2.640 | 2.480 | 2.640 | 22,449 | +0.07(+2.72%) |
| Dec 23, 2010 | 2.590 | 2.650 | 2.500 | 2.570 | 11,498 | -0.03(-1.15%) |
| Dec 22, 2010 | 2.660 | 2.690 | 2.500 | 2.600 | 9,575 | -0.07(-2.59%) |
| Dec 21, 2010 | 2.600 | 2.700 | 2.600 | 2.669 | 21,385 | +0.07(+2.66%) |
| Dec 20, 2010 | 2.610 | 2.610 | 2.500 | 2.600 | 3,453 | +0.03(+1.17%) |
| Dec 17, 2010 | 2.580 | 2.620 | 2.400 | 2.570 | 16,328 | -0.03(-1.15%) |
| Dec 16, 2010 | 2.460 | 2.600 | 2.450 | 2.600 | 4,994 | +0.14(+5.69%) |
| Dec 15, 2010 | 2.500 | 2.560 | 2.460 | 2.460 | 10,722 | -0.07(-2.77%) |
| Dec 14, 2010 | 2.540 | 2.600 | 2.450 | 2.530 | 10,470 | -0.03(-1.17%) |
| Dec 13, 2010 | 2.500 | 2.560 | 2.450 | 2.560 | 13,069 | +0.02(+0.79%) |
| Dec 10, 2010 | 2.510 | 2.540 | 2.390 | 2.540 | 5,497 | +0.05(+2.01%) |
| Dec 09, 2010 | 2.630 | 2.630 | 2.410 | 2.490 | 8,763 | +0.10(+4.18%) |
| Dec 08, 2010 | 2.460 | 2.539 | 2.380 | 2.390 | 6,390 | -0.11(-4.40%) |
| Dec 07, 2010 | 2.580 | 2.650 | 2.400 | 2.500 | 10,552 | -0.01(-0.40%) |
| Dec 06, 2010 | 2.480 | 2.530 | 2.330 | 2.510 | 13,613 | +0.04(+1.62%) |
| Dec 03, 2010 | 2.395 | 2.530 | 2.330 | 2.470 | 18,932 | +0.12(+5.11%) |
| Dec 02, 2010 | 2.410 | 2.520 | 2.330 | 2.350 | 10,437 | +0.02(+0.86%) |