| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 3.040 | 3.300 | 3.020 | 3.020 | 1,112 | +0.06(+2.03%) |
| May 30, 2012 | 3.110 | 3.330 | 2.910 | 2.960 | 17,004 | -0.19(-6.01%) |
| May 29, 2012 | 3.150 | 3.150 | 3.120 | 3.149 | 3,198 | +0.14(+4.62%) |
| May 25, 2012 | 3.150 | 3.150 | 2.900 | 3.010 | 2,397 | +0.20(+7.12%) |
| May 24, 2012 | 3.130 | 3.170 | 2.750 | 2.810 | 13,592 | -0.09(-3.10%) |
| May 23, 2012 | 3.100 | 3.260 | 2.900 | 2.900 | 16,090 | -0.20(-6.45%) |
| May 22, 2012 | 2.890 | 3.121 | 2.660 | 3.100 | 7,509 | +0.23(+8.01%) |
| May 21, 2012 | 2.880 | 2.890 | 2.870 | 2.870 | 1,484 | +0.22(+8.30%) |
| May 18, 2012 | 2.830 | 2.830 | 2.640 | 2.650 | 1,620 | +0.02(+0.76%) |
| May 17, 2012 | 2.630 | 2.720 | 2.570 | 2.630 | 2,200 | -0.02(-0.75%) |
| May 16, 2012 | 2.710 | 2.710 | 2.450 | 2.650 | 17,146 | -0.15(-5.36%) |
| May 15, 2012 | 3.000 | 3.000 | 2.710 | 2.800 | 11,754 | -0.15(-5.08%) |
| May 14, 2012 | 3.150 | 3.150 | 2.950 | 2.950 | 4,270 | -0.21(-6.65%) |
| May 11, 2012 | 3.250 | 3.250 | 3.160 | 3.160 | 200 | -0.12(-3.66%) |
| May 10, 2012 | 3.280 | 3.300 | 3.230 | 3.280 | 11,137 | +0.23(+7.54%) |
| May 09, 2012 | 3.020 | 3.070 | 3.000 | 3.050 | 1,720 | -0.01(-0.33%) |
| May 08, 2012 | 3.030 | 3.060 | 3.030 | 3.060 | 1,700 | +0.01(+0.33%) |
| May 07, 2012 | 3.060 | 3.100 | 2.900 | 3.050 | 716 | -0.02(-0.65%) |
| May 04, 2012 | 3.130 | 3.220 | 3.010 | 3.070 | 1,850 | -0.08(-2.54%) |
| May 03, 2012 | 3.280 | 3.290 | 3.150 | 3.150 | 5,100 | -0.13(-3.96%) |
| May 01, 2012 | 3.280 | 3.280 | 3.280 | 0 | -0.02(-0.61%) | |
| Apr 30, 2012 | 3.280 | 3.300 | 3.280 | 3.300 | 2,500 | +0.00(+0.00%) |
| Apr 27, 2012 | 3.230 | 3.300 | 3.060 | 3.300 | 3,815 | +0.07(+2.17%) |
| Apr 26, 2012 | 3.220 | 3.250 | 3.200 | 3.230 | 1,562 | +0.07(+2.22%) |
| Apr 25, 2012 | 3.160 | 3.160 | 3.160 | 3.160 | 476 | +0.05(+1.61%) |
| Apr 24, 2012 | 3.070 | 3.210 | 3.050 | 3.110 | 3,350 | -0.04(-1.27%) |
| Apr 23, 2012 | 3.300 | 3.300 | 3.140 | 3.150 | 2,100 | -0.15(-4.55%) |
| Apr 20, 2012 | 3.340 | 3.340 | 3.150 | 3.300 | 2,400 | +0.00(+0.00%) |
| Apr 19, 2012 | 3.340 | 3.350 | 3.300 | 3.300 | 400 | +0.03(+0.92%) |
| Apr 18, 2012 | 3.350 | 3.380 | 3.130 | 3.270 | 2,300 | -0.13(-3.83%) |
| Apr 17, 2012 | 3.400 | 3.400 | 3.400 | 3.400 | 850 | +0.00(+0.00%) |
| Apr 16, 2012 | 3.400 | 3.450 | 3.400 | 3.400 | 5,450 | +0.00(+0.00%) |
| Apr 13, 2012 | 3.410 | 3.480 | 3.370 | 3.400 | 1,498 | +0.07(+2.10%) |
| Apr 12, 2012 | 3.330 | 3.350 | 3.201 | 3.330 | 4,422 | +0.00(+0.00%) |
| Apr 11, 2012 | 3.370 | 3.480 | 3.100 | 3.330 | 2,639 | +0.08(+2.46%) |
| Apr 10, 2012 | 3.510 | 3.600 | 3.050 | 3.250 | 13,797 | -0.35(-9.72%) |
| Apr 09, 2012 | 3.600 | 3.710 | 3.240 | 3.600 | 4,462 | +0.00(+0.00%) |
| Apr 05, 2012 | 3.660 | 3.740 | 3.600 | 3.600 | 1,036 | -0.13(-3.49%) |
| Apr 04, 2012 | 3.600 | 3.730 | 3.360 | 3.730 | 5,453 | +0.12(+3.32%) |
| Apr 03, 2012 | 3.770 | 3.770 | 3.610 | 3.610 | 11,886 | -0.07(-1.90%) |
| Apr 02, 2012 | 3.400 | 3.760 | 3.400 | 3.680 | 17,434 | +0.33(+9.85%) |
| Mar 30, 2012 | 3.850 | 3.950 | 3.200 | 3.350 | 44,938 | -0.58(-14.76%) |
| Mar 29, 2012 | 3.930 | 4.150 | 3.560 | 3.930 | 16,700 | -0.05(-1.26%) |
| Mar 28, 2012 | 4.530 | 4.540 | 3.850 | 3.980 | 36,894 | -0.42(-9.55%) |
| Mar 27, 2012 | 5.500 | 5.500 | 4.350 | 4.400 | 102,988 | -1.11(-20.15%) |
| Mar 26, 2012 | 5.900 | 6.070 | 5.510 | 5.510 | 14,594 | -0.32(-5.49%) |
| Mar 23, 2012 | 5.490 | 5.830 | 5.310 | 5.830 | 16,425 | +0.43(+7.95%) |
| Mar 22, 2012 | 5.470 | 5.480 | 5.150 | 5.401 | 8,539 | +0.35(+6.95%) |
| Mar 21, 2012 | 5.010 | 5.050 | 5.010 | 5.050 | 900 | +0.02(+0.40%) |
| Mar 20, 2012 | 4.980 | 5.030 | 4.980 | 5.030 | 1,130 | -0.08(-1.57%) |
| Mar 19, 2012 | 5.280 | 5.280 | 5.070 | 5.110 | 2,120 | -0.09(-1.73%) |
| Mar 16, 2012 | 5.300 | 5.300 | 5.110 | 5.200 | 778 | -0.08(-1.52%) |
| Mar 15, 2012 | 5.230 | 5.280 | 5.230 | 5.280 | 905 | -0.02(-0.38%) |
| Mar 14, 2012 | 5.136 | 5.300 | 4.330 | 5.300 | 1,825 | -0.06(-1.12%) |
| Mar 13, 2012 | 5.200 | 5.450 | 5.180 | 5.360 | 6,975 | +0.26(+5.10%) |
| Mar 12, 2012 | 4.800 | 5.220 | 4.760 | 5.100 | 4,283 | +0.31(+6.47%) |
| Mar 07, 2012 | 4.790 | 4.790 | 4.790 | 0 | +0.14(+3.01%) | |
| Mar 06, 2012 | 4.650 | 4.670 | 4.650 | 4.650 | 1,041 | +0.05(+1.09%) |
| Mar 05, 2012 | 4.600 | 4.670 | 4.550 | 4.600 | 3,900 | -0.03(-0.65%) |
| Mar 02, 2012 | 4.650 | 4.710 | 4.560 | 4.630 | 3,550 | -0.03(-0.64%) |