| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Nov 30, 2011 | 2.850 | 2.870 | 2.599 | 2.700 | 15,479 | -0.18(-6.25%) |
| Nov 29, 2011 | 2.860 | 2.890 | 2.800 | 2.880 | 800 | +0.05(+1.77%) |
| Nov 28, 2011 | 2.740 | 2.830 | 2.540 | 2.830 | 7,098 | +0.00(+0.00%) |
| Nov 25, 2011 | 2.900 | 2.900 | 2.830 | 2.830 | 4,300 | -0.06(-2.08%) |
| Nov 23, 2011 | 3.090 | 3.090 | 2.802 | 2.890 | 4,371 | -0.39(-11.89%) |
| Nov 22, 2011 | 3.070 | 3.309 | 3.052 | 3.280 | 1,990 | +0.02(+0.61%) |
| Nov 21, 2011 | 2.950 | 3.260 | 2.950 | 3.260 | 4,975 | +0.17(+5.50%) |
| Nov 18, 2011 | 3.200 | 3.250 | 2.970 | 3.090 | 6,200 | -0.07(-2.22%) |
| Nov 17, 2011 | 3.450 | 3.600 | 3.160 | 3.160 | 10,203 | -0.26(-7.60%) |
| Nov 16, 2011 | 3.830 | 3.830 | 3.101 | 3.420 | 14,574 | +0.37(+12.13%) |
| Nov 15, 2011 | 3.360 | 4.000 | 3.050 | 3.050 | 27,640 | -1.04(-25.43%) |
| Nov 14, 2011 | 4.000 | 4.350 | 3.670 | 4.090 | 29,064 | +0.32(+8.49%) |
| Nov 11, 2011 | 3.680 | 3.900 | 3.500 | 3.770 | 7,490 | +0.22(+6.20%) |
| Nov 10, 2011 | 3.100 | 3.700 | 3.100 | 3.550 | 8,595 | +0.47(+15.26%) |
| Nov 09, 2011 | 3.000 | 3.090 | 2.930 | 3.080 | 4,424 | -0.03(-0.96%) |
| Nov 08, 2011 | 2.950 | 3.110 | 2.950 | 3.110 | 350 | +0.12(+4.01%) |
| Nov 07, 2011 | 3.050 | 3.050 | 2.950 | 2.990 | 3,440 | -0.05(-1.65%) |
| Nov 03, 2011 | 3.040 | 3.040 | 3.040 | 0 | -0.08(-2.56%) | |
| Nov 02, 2011 | 3.120 | 3.120 | 3.120 | 3.120 | 891 | +0.00(+0.00%) |
| Nov 01, 2011 | 2.960 | 3.120 | 2.960 | 3.120 | 200 | +0.03(+0.97%) |
| Oct 31, 2011 | 3.090 | 3.100 | 3.090 | 3.090 | 3,500 | -0.09(-2.81%) |
| Oct 28, 2011 | 3.040 | 3.179 | 3.030 | 3.179 | 2,521 | +0.20(+6.68%) |
| Oct 27, 2011 | 3.000 | 3.000 | 2.930 | 2.980 | 4,540 | +0.03(+1.02%) |
| Oct 26, 2011 | 3.020 | 3.050 | 2.930 | 2.950 | 2,352 | -0.10(-3.28%) |
| Oct 25, 2011 | 2.930 | 3.050 | 2.930 | 3.050 | 3,308 | +0.14(+4.81%) |
| Oct 24, 2011 | 2.920 | 2.920 | 2.910 | 2.910 | 1,440 | -0.14(-4.59%) |
| Oct 21, 2011 | 2.920 | 3.050 | 2.900 | 3.050 | 1,860 | +0.18(+6.27%) |
| Oct 20, 2011 | 2.870 | 2.870 | 2.870 | 2.870 | 200 | -0.18(-5.90%) |
| Oct 19, 2011 | 2.870 | 3.090 | 2.870 | 3.050 | 1,300 | -0.09(-2.87%) |
| Oct 17, 2011 | 3.140 | 3.140 | 3.140 | 0 | +0.13(+4.37%) | |
| Oct 14, 2011 | 3.190 | 3.190 | 3.000 | 3.009 | 2,300 | +0.01(+0.28%) |
| Oct 12, 2011 | 3.000 | 3.000 | 3.000 | 0 | +0.11(+3.81%) | |
| Oct 11, 2011 | 2.750 | 3.010 | 2.750 | 2.890 | 668 | -0.01(-0.34%) |
| Oct 10, 2011 | 2.800 | 2.950 | 2.800 | 2.900 | 700 | -0.07(-2.36%) |
| Oct 07, 2011 | 2.710 | 2.970 | 2.710 | 2.970 | 950 | +0.26(+9.59%) |
| Oct 06, 2011 | 2.650 | 2.710 | 2.581 | 2.710 | 5,370 | +0.02(+0.74%) |
| Oct 05, 2011 | 2.460 | 2.750 | 2.460 | 2.690 | 7,555 | +0.41(+17.98%) |
| Oct 04, 2011 | 2.280 | 2.480 | 2.100 | 2.280 | 18,248 | -0.21(-8.43%) |
| Oct 03, 2011 | 2.320 | 2.500 | 2.070 | 2.490 | 8,670 | -0.02(-0.80%) |
| Sep 30, 2011 | 2.490 | 2.510 | 2.510 | 2.510 | 0 | +0.02(+0.80%) |
| Sep 29, 2011 | 2.560 | 2.586 | 2.490 | 2.490 | 1,300 | -0.07(-2.73%) |
| Sep 28, 2011 | 2.740 | 2.740 | 2.560 | 2.560 | 1,500 | -0.18(-6.57%) |
| Sep 27, 2011 | 2.800 | 2.840 | 2.740 | 2.740 | 8,900 | -0.11(-3.86%) |
| Sep 26, 2011 | 2.980 | 2.980 | 2.760 | 2.850 | 1,000 | +0.09(+3.26%) |
| Sep 23, 2011 | 2.650 | 2.990 | 2.650 | 2.760 | 1,773 | +0.00(+0.00%) |
| Sep 22, 2011 | 2.590 | 3.000 | 2.590 | 2.760 | 6,325 | -0.01(-0.36%) |
| Sep 21, 2011 | 2.580 | 2.990 | 2.530 | 2.770 | 4,565 | +0.24(+9.49%) |
| Sep 20, 2011 | 2.490 | 2.760 | 2.430 | 2.530 | 12,639 | -0.20(-7.33%) |
| Sep 19, 2011 | 2.800 | 2.810 | 2.660 | 2.730 | 4,811 | -0.16(-5.54%) |
| Sep 16, 2011 | 2.810 | 2.890 | 2.750 | 2.890 | 7,355 | +0.09(+3.21%) |
| Sep 15, 2011 | 2.800 | 2.950 | 2.760 | 2.800 | 5,400 | +0.04(+1.45%) |
| Sep 14, 2011 | 2.850 | 2.860 | 2.760 | 2.760 | 9,011 | -0.10(-3.50%) |
| Sep 13, 2011 | 2.860 | 2.900 | 2.860 | 2.860 | 2,660 | -0.07(-2.39%) |
| Sep 12, 2011 | 2.810 | 3.300 | 2.810 | 2.930 | 3,996 | +0.13(+4.64%) |
| Sep 09, 2011 | 2.750 | 2.870 | 2.750 | 2.800 | 3,300 | +0.08(+2.94%) |
| Sep 08, 2011 | 2.700 | 2.720 | 2.670 | 2.720 | 5,523 | +0.07(+2.64%) |
| Sep 07, 2011 | 2.600 | 2.770 | 2.570 | 2.650 | 3,980 | +0.09(+3.52%) |
| Sep 06, 2011 | 2.500 | 2.560 | 2.500 | 2.560 | 6,478 | +0.11(+4.49%) |
| Sep 02, 2011 | 2.610 | 2.620 | 2.450 | 2.450 | 2,000 | -0.03(-1.21%) |