| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2013 | 2.620 | 2.620 | 2.450 | 2.460 | 9,294 | -0.14(-5.38%) |
| Feb 27, 2013 | 2.500 | 2.620 | 2.500 | 2.600 | 10,283 | +0.10(+4.00%) |
| Feb 26, 2013 | 2.630 | 2.630 | 2.450 | 2.500 | 19,924 | -0.30(-10.71%) |
| Feb 22, 2013 | 2.880 | 2.920 | 2.781 | 2.800 | 15,555 | -0.06(-2.10%) |
| Feb 21, 2013 | 2.900 | 2.980 | 2.750 | 2.860 | 39,432 | -0.04(-1.38%) |
| Feb 20, 2013 | 2.830 | 2.900 | 2.760 | 2.900 | 22,059 | +0.06(+2.11%) |
| Feb 19, 2013 | 2.940 | 2.992 | 2.830 | 2.840 | 18,700 | -0.09(-3.07%) |
| Feb 15, 2013 | 2.950 | 3.000 | 2.922 | 2.930 | 7,560 | -0.01(-0.34%) |
| Feb 14, 2013 | 3.030 | 3.030 | 2.900 | 2.940 | 12,759 | -0.06(-2.00%) |
| Feb 13, 2013 | 3.090 | 3.200 | 2.977 | 3.000 | 20,512 | -0.10(-3.23%) |
| Feb 12, 2013 | 2.860 | 3.100 | 2.860 | 3.100 | 26,812 | +0.22(+7.64%) |
| Feb 11, 2013 | 2.870 | 2.882 | 2.810 | 2.880 | 11,128 | +0.00(+0.00%) |
| Feb 08, 2013 | 2.950 | 2.990 | 2.870 | 2.880 | 27,636 | -0.10(-3.36%) |
| Feb 07, 2013 | 2.920 | 2.990 | 2.900 | 2.980 | 12,410 | +0.04(+1.36%) |
| Feb 06, 2013 | 2.950 | 2.998 | 2.880 | 2.940 | 14,270 | -0.02(-0.70%) |
| Feb 04, 2013 | 3.120 | 3.120 | 2.950 | 2.961 | 18,370 | -0.14(-4.49%) |
| Feb 01, 2013 | 3.130 | 3.130 | 2.960 | 3.100 | 25,622 | +0.10(+3.33%) |
| Jan 31, 2013 | 3.100 | 3.100 | 2.840 | 3.000 | 38,158 | +0.19(+6.76%) |
| Jan 30, 2013 | 2.950 | 2.990 | 2.800 | 2.810 | 15,641 | -0.15(-5.07%) |
| Jan 29, 2013 | 2.920 | 3.020 | 2.920 | 2.960 | 21,462 | +0.06(+2.07%) |
| Jan 28, 2013 | 2.930 | 3.220 | 2.860 | 2.900 | 107,813 | -0.02(-0.68%) |
| Jan 25, 2013 | 3.160 | 3.186 | 2.920 | 2.920 | 90,384 | -0.28(-8.75%) |
| Jan 24, 2013 | 3.200 | 3.320 | 3.120 | 3.200 | 30,581 | +0.00(+0.00%) |
| Jan 23, 2013 | 3.390 | 3.450 | 3.140 | 3.200 | 71,850 | -0.16(-4.76%) |
| Jan 22, 2013 | 3.690 | 3.690 | 3.150 | 3.360 | 134,164 | -0.32(-8.70%) |
| Jan 18, 2013 | 3.750 | 3.990 | 3.420 | 3.680 | 410,907 | -0.07(-1.87%) |
| Jan 17, 2013 | 2.590 | 3.750 | 2.590 | 3.750 | 788,572 | +1.18(+45.91%) |
| Jan 16, 2013 | 2.680 | 2.689 | 2.560 | 2.570 | 14,319 | -0.10(-3.75%) |
| Jan 15, 2013 | 2.730 | 2.730 | 2.640 | 2.670 | 22,550 | -0.04(-1.48%) |
| Jan 14, 2013 | 2.750 | 2.750 | 2.666 | 2.710 | 19,917 | -0.08(-2.86%) |
| Jan 12, 2013 | 2.800 | 2.800 | 2.700 | 2.790 | 34,446 | +0.00(+0.00%) |
| Jan 11, 2013 | 2.800 | 2.800 | 2.700 | 2.790 | 34,446 | -0.06(-1.98%) |
| Jan 10, 2013 | 2.850 | 2.900 | 2.780 | 2.846 | 13,399 | +0.03(+0.94%) |
| Jan 09, 2013 | 2.740 | 2.950 | 2.640 | 2.820 | 52,373 | +0.11(+4.06%) |
| Jan 08, 2013 | 3.010 | 3.020 | 2.710 | 2.710 | 61,533 | -0.34(-11.15%) |
| Jan 07, 2013 | 3.020 | 3.050 | 2.950 | 3.050 | 31,206 | -0.02(-0.65%) |
| Jan 04, 2013 | 3.120 | 3.120 | 3.000 | 3.070 | 67,192 | -0.09(-2.85%) |
| Jan 03, 2013 | 3.390 | 3.550 | 3.070 | 3.160 | 339,435 | -0.06(-1.86%) |
| Jan 02, 2013 | 3.150 | 3.440 | 2.990 | 3.220 | 262,653 | +0.23(+7.69%) |
| Dec 31, 2012 | 2.940 | 3.120 | 2.850 | 2.990 | 74,239 | +0.02(+0.67%) |
| Dec 28, 2012 | 3.070 | 3.070 | 2.930 | 2.970 | 21,139 | -0.10(-3.26%) |
| Dec 27, 2012 | 3.200 | 3.200 | 3.070 | 3.070 | 30,234 | -0.17(-5.25%) |
| Dec 26, 2012 | 3.330 | 3.330 | 3.080 | 3.240 | 38,732 | -0.08(-2.41%) |
| Dec 24, 2012 | 3.260 | 3.330 | 3.210 | 3.320 | 12,131 | -0.05(-1.48%) |
| Dec 21, 2012 | 3.470 | 3.470 | 3.020 | 3.370 | 135,929 | -0.17(-4.80%) |
| Dec 20, 2012 | 3.510 | 3.630 | 3.400 | 3.540 | 50,113 | -0.10(-2.75%) |
| Dec 19, 2012 | 3.600 | 3.730 | 3.360 | 3.640 | 96,370 | -0.11(-2.93%) |
| Dec 18, 2012 | 3.940 | 3.940 | 3.750 | 3.750 | 58,782 | -0.13(-3.35%) |
| Dec 17, 2012 | 4.080 | 4.080 | 3.800 | 3.880 | 64,340 | -0.06(-1.53%) |
| Dec 14, 2012 | 4.220 | 4.220 | 3.910 | 3.940 | 109,170 | -0.08(-1.99%) |
| Dec 13, 2012 | 4.060 | 4.100 | 3.890 | 4.020 | 233,527 | -0.14(-3.36%) |
| Dec 12, 2012 | 4.300 | 4.300 | 4.100 | 4.160 | 113,617 | -0.14(-3.26%) |
| Dec 11, 2012 | 4.390 | 4.570 | 4.300 | 4.300 | 81,864 | -0.15(-3.37%) |
| Dec 10, 2012 | 4.600 | 4.700 | 4.310 | 4.450 | 171,905 | -0.01(-0.22%) |
| Dec 07, 2012 | 4.650 | 4.839 | 4.380 | 4.460 | 291,415 | -0.11(-2.43%) |
| Dec 06, 2012 | 4.590 | 5.140 | 4.560 | 4.571 | 344,878 | -0.02(-0.41%) |
| Dec 05, 2012 | 4.410 | 4.890 | 4.400 | 4.590 | 307,319 | +0.18(+4.08%) |