| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 2.660 | 2.680 | 2.410 | 2.510 | 2,819,963 | -0.09(-3.46%) |
| May 30, 2012 | 2.900 | 2.900 | 2.570 | 2.600 | 3,529,800 | -0.38(-12.75%) |
| May 29, 2012 | 3.130 | 3.210 | 2.900 | 2.980 | 1,997,785 | -0.12(-3.87%) |
| May 25, 2012 | 3.190 | 3.190 | 3.080 | 3.100 | 809,994 | -0.10(-3.13%) |
| May 24, 2012 | 3.300 | 3.340 | 3.100 | 3.200 | 1,204,075 | -0.08(-2.44%) |
| May 23, 2012 | 3.040 | 3.290 | 2.950 | 3.280 | 1,847,985 | +0.23(+7.54%) |
| May 22, 2012 | 3.490 | 3.580 | 3.000 | 3.050 | 4,813,018 | -0.42(-12.10%) |
| May 21, 2012 | 3.220 | 3.500 | 3.220 | 3.470 | 1,405,459 | +0.30(+9.46%) |
| May 18, 2012 | 3.430 | 3.430 | 3.130 | 3.170 | 1,807,462 | -0.25(-7.31%) |
| May 17, 2012 | 3.640 | 3.689 | 3.360 | 3.420 | 1,625,990 | -0.23(-6.30%) |
| May 16, 2012 | 3.670 | 3.760 | 3.550 | 3.650 | 2,150,956 | +0.00(+0.00%) |
| May 15, 2012 | 3.830 | 3.890 | 3.580 | 3.650 | 2,518,418 | -0.19(-4.82%) |
| May 14, 2012 | 3.860 | 4.050 | 3.750 | 3.835 | 1,334,313 | -0.08(-2.17%) |
| May 11, 2012 | 4.030 | 4.130 | 3.870 | 3.920 | 1,060,477 | -0.14(-3.45%) |
| May 10, 2012 | 4.280 | 4.350 | 4.010 | 4.060 | 1,572,912 | -0.13(-3.10%) |
| May 09, 2012 | 3.700 | 4.290 | 3.600 | 4.190 | 3,671,780 | +0.42(+11.14%) |
| May 08, 2012 | 3.930 | 3.930 | 3.590 | 3.770 | 3,823,491 | -0.19(-4.80%) |
| May 07, 2012 | 4.070 | 4.170 | 3.910 | 3.960 | 2,557,098 | -0.17(-4.12%) |
| May 04, 2012 | 4.380 | 4.390 | 4.100 | 4.130 | 3,072,456 | -0.31(-6.98%) |
| May 03, 2012 | 4.710 | 4.890 | 4.360 | 4.440 | 2,722,687 | -0.19(-4.10%) |
| May 02, 2012 | 4.810 | 4.810 | 4.560 | 4.630 | 1,696,752 | -0.23(-4.73%) |
| May 01, 2012 | 4.970 | 5.000 | 4.780 | 4.860 | 1,530,258 | -0.11(-2.31%) |
| Apr 30, 2012 | 4.840 | 5.000 | 4.730 | 4.975 | 905,521 | +0.10(+2.16%) |
| Apr 27, 2012 | 4.940 | 4.990 | 4.750 | 4.870 | 900,202 | -0.06(-1.22%) |
| Apr 26, 2012 | 4.740 | 5.000 | 4.650 | 4.930 | 1,467,537 | +0.18(+3.79%) |
| Apr 25, 2012 | 4.830 | 4.890 | 4.590 | 4.750 | 1,215,300 | -0.03(-0.63%) |
| Apr 24, 2012 | 4.420 | 4.860 | 4.350 | 4.780 | 2,218,502 | +0.36(+8.14%) |
| Apr 23, 2012 | 4.435 | 4.590 | 4.300 | 4.420 | 1,666,760 | -0.13(-2.86%) |
| Apr 20, 2012 | 4.830 | 4.890 | 4.530 | 4.550 | 2,080,501 | -0.21(-4.51%) |
| Apr 19, 2012 | 4.930 | 5.080 | 4.740 | 4.765 | 2,622,067 | -0.19(-3.74%) |
| Apr 18, 2012 | 4.990 | 5.030 | 4.840 | 4.950 | 910,098 | -0.06(-1.20%) |
| Apr 17, 2012 | 5.050 | 5.210 | 4.920 | 5.010 | 2,401,234 | +0.03(+0.60%) |
| Apr 16, 2012 | 5.080 | 5.140 | 4.970 | 4.980 | 1,119,234 | +0.00(+0.00%) |
| Apr 13, 2012 | 4.950 | 5.000 | 4.860 | 4.980 | 1,175,222 | -0.03(-0.60%) |
| Apr 12, 2012 | 4.730 | 5.040 | 4.730 | 5.010 | 2,149,631 | +0.30(+6.37%) |
| Apr 11, 2012 | 4.610 | 4.840 | 4.610 | 4.710 | 1,385,430 | +0.18(+3.97%) |
| Apr 10, 2012 | 4.620 | 4.740 | 4.510 | 4.530 | 1,625,292 | -0.10(-2.16%) |
| Apr 09, 2012 | 4.660 | 4.830 | 4.600 | 4.630 | 1,577,108 | -0.23(-4.73%) |
| Apr 05, 2012 | 4.990 | 5.000 | 4.750 | 4.860 | 2,236,973 | -0.13(-2.61%) |
| Apr 04, 2012 | 5.050 | 5.120 | 4.960 | 4.990 | 2,088,355 | -0.10(-1.96%) |
| Apr 03, 2012 | 5.400 | 5.410 | 5.080 | 5.090 | 1,995,718 | -0.28(-5.21%) |
| Apr 02, 2012 | 5.110 | 5.400 | 5.060 | 5.370 | 2,158,895 | +0.25(+4.88%) |
| Mar 30, 2012 | 5.370 | 5.420 | 5.080 | 5.120 | 2,441,912 | -0.19(-3.58%) |
| Mar 29, 2012 | 5.070 | 5.360 | 5.020 | 5.310 | 2,851,262 | +0.21(+4.12%) |
| Mar 28, 2012 | 5.350 | 5.350 | 5.040 | 5.100 | 2,317,019 | -0.21(-3.95%) |
| Mar 27, 2012 | 5.440 | 5.515 | 5.300 | 5.310 | 1,612,378 | -0.13(-2.39%) |
| Mar 26, 2012 | 5.920 | 5.920 | 5.400 | 5.440 | 2,602,344 | -0.45(-7.64%) |
| Mar 23, 2012 | 5.500 | 5.910 | 5.500 | 5.890 | 2,324,828 | +0.40(+7.29%) |
| Mar 22, 2012 | 5.820 | 5.880 | 5.470 | 5.490 | 2,016,451 | -0.45(-7.58%) |
| Mar 21, 2012 | 6.060 | 6.150 | 5.880 | 5.940 | 981,123 | -0.07(-1.16%) |
| Mar 20, 2012 | 6.040 | 6.060 | 5.770 | 6.010 | 1,463,706 | -0.12(-1.96%) |
| Mar 19, 2012 | 6.110 | 6.250 | 6.020 | 6.130 | 2,070,819 | +0.02(+0.33%) |
| Mar 16, 2012 | 5.960 | 6.190 | 5.940 | 6.110 | 3,037,081 | +0.18(+3.04%) |
| Mar 15, 2012 | 5.640 | 5.990 | 5.530 | 5.930 | 2,572,577 | +0.34(+6.08%) |
| Mar 14, 2012 | 5.720 | 5.810 | 5.520 | 5.590 | 1,033,358 | -0.09(-1.58%) |
| Mar 13, 2012 | 5.660 | 5.790 | 5.560 | 5.680 | 1,233,030 | +0.05(+0.89%) |
| Mar 12, 2012 | 5.650 | 5.790 | 5.500 | 5.630 | 1,511,377 | -0.07(-1.23%) |
| Mar 09, 2012 | 5.350 | 5.940 | 5.310 | 5.700 | 3,464,908 | +0.34(+6.34%) |
| Mar 08, 2012 | 5.280 | 5.400 | 5.160 | 5.360 | 1,838,779 | +0.11(+2.10%) |
| Mar 07, 2012 | 5.480 | 5.580 | 5.170 | 5.250 | 2,598,568 | -0.18(-3.31%) |
| Mar 06, 2012 | 5.160 | 5.480 | 5.010 | 5.430 | 4,404,803 | +0.07(+1.31%) |
| Mar 05, 2012 | 5.840 | 5.840 | 5.280 | 5.360 | 4,237,467 | -0.43(-7.43%) |
| Mar 02, 2012 | 6.290 | 6.320 | 5.740 | 5.790 | 4,274,766 | -0.42(-6.76%) |