| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 4.490 | 4.750 | 4.490 | 4.540 | 16,300 | +0.04(+0.89%) |
| Feb 28, 2012 | 4.750 | 4.750 | 4.470 | 4.500 | 9,868 | -0.17(-3.64%) |
| Feb 27, 2012 | 4.450 | 4.780 | 4.450 | 4.670 | 8,300 | -0.10(-2.10%) |
| Feb 24, 2012 | 4.700 | 4.770 | 4.450 | 4.770 | 7,175 | +0.26(+5.87%) |
| Feb 23, 2012 | 4.650 | 4.710 | 4.240 | 4.506 | 14,372 | -0.06(-1.41%) |
| Feb 22, 2012 | 4.620 | 4.650 | 4.570 | 4.570 | 1,178 | +0.02(+0.44%) |
| Feb 21, 2012 | 4.520 | 4.550 | 4.442 | 4.550 | 1,489 | +0.00(+0.00%) |
| Feb 17, 2012 | 4.550 | 4.550 | 4.550 | 4.550 | 1,420 | +0.00(+0.00%) |
| Feb 16, 2012 | 4.480 | 4.550 | 4.480 | 4.550 | 9,370 | +0.13(+2.94%) |
| Feb 15, 2012 | 4.500 | 4.570 | 4.340 | 4.420 | 6,520 | -0.08(-1.78%) |
| Feb 14, 2012 | 4.050 | 4.500 | 4.050 | 4.500 | 6,050 | +0.21(+4.90%) |
| Feb 13, 2012 | 4.250 | 4.590 | 4.250 | 4.290 | 2,230 | -0.05(-1.15%) |
| Feb 10, 2012 | 4.630 | 4.630 | 4.340 | 4.340 | 1,271 | -0.21(-4.62%) |
| Feb 09, 2012 | 4.550 | 4.650 | 4.550 | 4.550 | 2,357 | +0.04(+0.78%) |
| Feb 08, 2012 | 4.550 | 4.550 | 4.515 | 4.515 | 620 | +0.01(+0.33%) |
| Feb 07, 2012 | 4.350 | 4.650 | 4.300 | 4.500 | 18,416 | +0.20(+4.65%) |
| Feb 06, 2012 | 4.530 | 4.530 | 4.000 | 4.300 | 17,632 | -0.39(-8.32%) |
| Feb 03, 2012 | 4.400 | 4.690 | 4.400 | 4.690 | 3,600 | +0.08(+1.74%) |
| Feb 02, 2012 | 4.690 | 4.690 | 4.310 | 4.610 | 2,060 | -0.08(-1.71%) |
| Feb 01, 2012 | 4.540 | 4.750 | 4.510 | 4.690 | 4,220 | -0.01(-0.21%) |
| Jan 31, 2012 | 4.670 | 4.830 | 4.310 | 4.700 | 14,999 | -0.03(-0.63%) |
| Jan 30, 2012 | 4.900 | 4.989 | 4.400 | 4.730 | 12,377 | -0.17(-3.47%) |
| Jan 27, 2012 | 4.800 | 4.900 | 4.800 | 4.900 | 2,400 | +0.22(+4.70%) |
| Jan 26, 2012 | 4.560 | 4.990 | 4.010 | 4.680 | 9,759 | +0.08(+1.74%) |
| Jan 25, 2012 | 4.530 | 4.640 | 4.210 | 4.600 | 2,035 | +0.07(+1.55%) |
| Jan 24, 2012 | 4.500 | 4.530 | 4.260 | 4.530 | 8,780 | -0.05(-1.09%) |
| Jan 23, 2012 | 4.730 | 4.730 | 4.100 | 4.580 | 4,005 | +0.00(+0.00%) |
| Jan 20, 2012 | 4.500 | 4.580 | 4.500 | 4.580 | 1,299 | +0.02(+0.44%) |
| Jan 19, 2012 | 4.530 | 4.620 | 3.790 | 4.560 | 25,560 | +0.08(+1.82%) |
| Jan 18, 2012 | 4.750 | 4.750 | 4.460 | 4.478 | 7,025 | -0.25(-5.32%) |
| Jan 17, 2012 | 4.120 | 5.010 | 4.050 | 4.730 | 32,563 | +0.58(+13.98%) |
| Jan 13, 2012 | 4.260 | 4.260 | 4.000 | 4.150 | 16,700 | +0.25(+6.41%) |
| Jan 12, 2012 | 3.830 | 3.940 | 3.780 | 3.900 | 45,363 | +0.51(+15.11%) |
| Jan 11, 2012 | 3.380 | 3.390 | 3.380 | 3.388 | 1,690 | -0.05(-1.51%) |
| Jan 10, 2012 | 3.310 | 3.520 | 3.310 | 3.440 | 1,013 | +0.12(+3.52%) |
| Jan 09, 2012 | 3.370 | 3.660 | 3.300 | 3.323 | 5,015 | -0.13(-3.68%) |
| Jan 06, 2012 | 3.530 | 3.530 | 3.450 | 3.450 | 730 | +0.12(+3.60%) |
| Jan 05, 2012 | 3.661 | 3.661 | 3.310 | 3.330 | 3,125 | -0.32(-8.77%) |
| Jan 03, 2012 | 3.650 | 3.650 | 3.650 | 0 | +0.30(+8.96%) | |
| Dec 30, 2011 | 3.270 | 3.351 | 3.250 | 3.350 | 1,900 | -0.05(-1.47%) |
| Dec 29, 2011 | 3.440 | 3.466 | 3.251 | 3.400 | 6,130 | +0.13(+3.98%) |
| Dec 28, 2011 | 3.470 | 3.470 | 3.270 | 3.270 | 300 | +0.05(+1.55%) |
| Dec 27, 2011 | 3.300 | 3.455 | 3.200 | 3.220 | 940 | -0.05(-1.53%) |
| Dec 23, 2011 | 3.380 | 3.390 | 3.150 | 3.270 | 2,039 | +0.26(+8.64%) |
| Dec 21, 2011 | 2.770 | 3.120 | 2.760 | 3.010 | 7,187 | +0.15(+5.24%) |
| Dec 20, 2011 | 3.040 | 3.040 | 2.840 | 2.860 | 1,790 | +0.02(+0.70%) |
| Dec 19, 2011 | 2.920 | 2.920 | 2.700 | 2.840 | 4,400 | -0.06(-2.07%) |
| Dec 16, 2011 | 3.370 | 3.400 | 2.900 | 2.900 | 12,514 | -0.41(-12.39%) |
| Dec 15, 2011 | 3.340 | 3.340 | 3.050 | 3.310 | 1,600 | -0.17(-4.78%) |
| Dec 14, 2011 | 3.020 | 3.490 | 3.020 | 3.476 | 3,759 | +0.25(+7.62%) |
| Dec 13, 2011 | 3.100 | 3.340 | 2.900 | 3.230 | 2,500 | +0.14(+4.56%) |
| Dec 12, 2011 | 3.100 | 3.100 | 2.920 | 3.089 | 600 | -0.04(-1.30%) |
| Dec 09, 2011 | 2.890 | 3.250 | 2.890 | 3.130 | 1,609 | -0.18(-5.44%) |
| Dec 08, 2011 | 2.710 | 3.490 | 2.710 | 3.310 | 2,040 | -0.18(-5.16%) |
| Dec 07, 2011 | 3.260 | 3.590 | 3.170 | 3.490 | 4,900 | +0.13(+3.87%) |
| Dec 06, 2011 | 3.390 | 3.400 | 3.160 | 3.360 | 6,279 | +0.17(+5.33%) |
| Dec 05, 2011 | 2.940 | 3.190 | 2.800 | 3.190 | 2,000 | +0.49(+18.14%) |
| Dec 02, 2011 | 2.750 | 3.080 | 2.700 | 2.700 | 4,955 | -0.01(-0.37%) |