| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 31, 2012 | 2.610 | 2.640 | 2.450 | 2.610 | 4,389,939 | -0.02(-0.76%) |
| May 30, 2012 | 2.680 | 2.700 | 2.550 | 2.630 | 2,815,380 | -0.09(-3.31%) |
| May 29, 2012 | 2.690 | 2.770 | 2.650 | 2.720 | 2,641,863 | +0.08(+3.03%) |
| May 25, 2012 | 2.660 | 2.690 | 2.610 | 2.640 | 1,178,364 | +0.00(+0.00%) |
| May 24, 2012 | 2.620 | 2.690 | 2.550 | 2.640 | 2,092,532 | +0.04(+1.54%) |
| May 23, 2012 | 2.580 | 2.660 | 2.520 | 2.600 | 1,811,685 | +0.02(+0.78%) |
| May 22, 2012 | 2.540 | 2.710 | 2.530 | 2.580 | 5,773,682 | +0.02(+0.78%) |
| May 21, 2012 | 2.560 | 2.570 | 2.440 | 2.560 | 3,367,529 | +0.00(+0.00%) |
| May 18, 2012 | 2.380 | 2.570 | 2.290 | 2.560 | 7,615,662 | +0.16(+6.67%) |
| May 17, 2012 | 2.570 | 2.610 | 2.330 | 2.400 | 6,040,825 | -0.16(-6.25%) |
| May 16, 2012 | 2.740 | 2.810 | 2.560 | 2.560 | 3,366,997 | -0.13(-4.83%) |
| May 15, 2012 | 2.760 | 2.820 | 2.650 | 2.690 | 3,290,250 | -0.07(-2.54%) |
| May 14, 2012 | 2.810 | 2.920 | 2.710 | 2.760 | 2,340,623 | -0.13(-4.50%) |
| May 11, 2012 | 2.770 | 2.940 | 2.760 | 2.890 | 3,140,624 | +0.08(+2.85%) |
| May 10, 2012 | 2.880 | 2.910 | 2.780 | 2.810 | 2,375,525 | -0.03(-1.06%) |
| May 09, 2012 | 2.660 | 2.890 | 2.630 | 2.840 | 4,365,540 | +0.13(+4.80%) |
| May 08, 2012 | 2.670 | 2.735 | 2.550 | 2.710 | 3,481,328 | +0.02(+0.74%) |
| May 07, 2012 | 2.670 | 2.740 | 2.640 | 2.690 | 7,445,783 | +0.00(+0.00%) |
| May 04, 2012 | 2.700 | 2.790 | 2.630 | 2.690 | 6,575,715 | -0.02(-0.74%) |
| May 03, 2012 | 2.930 | 2.990 | 2.650 | 2.710 | 6,266,198 | -0.22(-7.51%) |
| May 02, 2012 | 3.100 | 3.170 | 2.860 | 2.930 | 7,240,061 | -0.17(-5.48%) |
| May 01, 2012 | 3.100 | 3.280 | 3.060 | 3.100 | 3,626,491 | +0.00(+0.00%) |
| Apr 30, 2012 | 3.210 | 3.220 | 3.060 | 3.100 | 2,287,439 | -0.11(-3.43%) |
| Apr 27, 2012 | 3.110 | 3.220 | 3.050 | 3.210 | 3,881,034 | +0.12(+3.88%) |
| Apr 26, 2012 | 2.840 | 3.130 | 2.840 | 3.090 | 3,932,645 | +0.26(+9.19%) |
| Apr 25, 2012 | 2.800 | 2.870 | 2.770 | 2.830 | 2,264,400 | +0.09(+3.28%) |
| Apr 24, 2012 | 2.740 | 2.850 | 2.720 | 2.740 | 1,648,188 | +0.01(+0.37%) |
| Apr 23, 2012 | 2.690 | 2.770 | 2.660 | 2.730 | 2,190,661 | -0.02(-0.73%) |
| Apr 20, 2012 | 2.800 | 2.900 | 2.740 | 2.750 | 3,021,968 | +0.02(+0.73%) |
| Apr 19, 2012 | 2.810 | 2.900 | 2.690 | 2.730 | 3,140,113 | -0.11(-3.87%) |
| Apr 18, 2012 | 2.940 | 3.000 | 2.800 | 2.840 | 1,973,793 | -0.09(-3.07%) |
| Apr 17, 2012 | 2.930 | 2.970 | 2.870 | 2.930 | 1,753,305 | +0.08(+2.81%) |
| Apr 16, 2012 | 2.980 | 3.000 | 2.800 | 2.850 | 1,893,208 | -0.05(-1.72%) |
| Apr 13, 2012 | 3.050 | 3.050 | 2.880 | 2.900 | 2,276,399 | -0.13(-4.29%) |
| Apr 12, 2012 | 2.870 | 3.050 | 2.860 | 3.030 | 5,256,291 | +0.16(+5.57%) |
| Apr 11, 2012 | 2.780 | 2.880 | 2.765 | 2.870 | 2,825,636 | +0.19(+7.09%) |
| Apr 10, 2012 | 2.850 | 2.900 | 2.630 | 2.680 | 3,661,641 | -0.15(-5.30%) |
| Apr 09, 2012 | 2.840 | 2.860 | 2.790 | 2.830 | 3,804,745 | -0.10(-3.41%) |
| Apr 05, 2012 | 2.980 | 3.040 | 2.900 | 2.930 | 2,970,217 | -0.08(-2.66%) |
| Apr 04, 2012 | 3.070 | 3.100 | 2.980 | 3.010 | 5,737,657 | -0.09(-2.90%) |
| Apr 03, 2012 | 3.230 | 3.330 | 3.080 | 3.100 | 4,221,772 | -0.17(-5.20%) |
| Apr 02, 2012 | 3.220 | 3.300 | 3.180 | 3.270 | 1,710,023 | +0.02(+0.62%) |
| Mar 30, 2012 | 3.350 | 3.350 | 3.200 | 3.250 | 2,217,456 | -0.07(-2.11%) |
| Mar 29, 2012 | 3.340 | 3.380 | 3.220 | 3.320 | 2,187,321 | -0.07(-2.06%) |
| Mar 28, 2012 | 3.430 | 3.505 | 3.350 | 3.390 | 2,032,447 | -0.02(-0.59%) |
| Mar 27, 2012 | 3.340 | 3.520 | 3.330 | 3.410 | 3,518,136 | +0.11(+3.33%) |
| Mar 26, 2012 | 3.450 | 3.460 | 3.270 | 3.300 | 3,373,710 | -0.07(-2.08%) |
| Mar 23, 2012 | 3.330 | 3.520 | 3.300 | 3.370 | 5,736,442 | -0.17(-4.80%) |
| Mar 22, 2012 | 3.550 | 3.620 | 3.450 | 3.540 | 2,457,439 | -0.07(-1.94%) |
| Mar 21, 2012 | 3.590 | 3.690 | 3.567 | 3.610 | 2,079,534 | +0.04(+1.12%) |
| Mar 20, 2012 | 3.630 | 3.630 | 3.480 | 3.570 | 3,028,182 | -0.11(-2.99%) |
| Mar 19, 2012 | 3.630 | 3.780 | 3.630 | 3.680 | 3,175,863 | +0.02(+0.55%) |
| Mar 16, 2012 | 3.690 | 3.710 | 3.560 | 3.660 | 2,589,456 | -0.02(-0.54%) |
| Mar 15, 2012 | 3.490 | 3.720 | 3.480 | 3.680 | 5,009,467 | +0.19(+5.44%) |
| Mar 14, 2012 | 3.540 | 3.650 | 3.420 | 3.490 | 3,135,845 | -0.03(-0.85%) |
| Mar 13, 2012 | 3.440 | 3.550 | 3.440 | 3.520 | 3,453,322 | +0.02(+0.57%) |
| Mar 12, 2012 | 3.500 | 3.560 | 3.430 | 3.500 | 2,809,638 | +0.02(+0.57%) |
| Mar 09, 2012 | 3.460 | 3.670 | 3.380 | 3.480 | 7,412,929 | +0.08(+2.35%) |
| Mar 08, 2012 | 3.200 | 3.440 | 3.200 | 3.400 | 5,197,186 | +0.26(+8.28%) |
| Mar 07, 2012 | 2.980 | 3.220 | 2.970 | 3.140 | 4,395,064 | +0.19(+6.44%) |
| Mar 06, 2012 | 3.080 | 3.081 | 2.900 | 2.950 | 5,006,288 | -0.23(-7.23%) |
| Mar 05, 2012 | 3.200 | 3.290 | 3.110 | 3.180 | 3,716,176 | -0.04(-1.24%) |
| Mar 02, 2012 | 3.190 | 3.340 | 3.190 | 3.220 | 3,833,608 | -0.05(-1.53%) |