| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 2.570 | 2.570 | 2.450 | 2.490 | 424,498 | -0.04(-1.58%) |
| Feb 28, 2012 | 2.520 | 2.570 | 2.490 | 2.530 | 303,305 | +0.01(+0.40%) |
| Feb 27, 2012 | 2.550 | 2.580 | 2.470 | 2.520 | 431,509 | -0.04(-1.56%) |
| Feb 24, 2012 | 2.580 | 2.590 | 2.520 | 2.560 | 472,829 | -0.03(-1.16%) |
| Feb 23, 2012 | 2.550 | 2.640 | 2.500 | 2.590 | 453,175 | +0.04(+1.57%) |
| Feb 22, 2012 | 2.620 | 2.700 | 2.520 | 2.550 | 585,510 | -0.08(-3.04%) |
| Feb 21, 2012 | 2.700 | 2.720 | 2.600 | 2.630 | 596,845 | -0.06(-2.23%) |
| Feb 17, 2012 | 2.700 | 2.765 | 2.660 | 2.690 | 478,188 | +0.00(+0.00%) |
| Feb 16, 2012 | 2.680 | 2.710 | 2.660 | 2.690 | 261,716 | +0.02(+0.75%) |
| Feb 15, 2012 | 2.670 | 2.750 | 2.640 | 2.670 | 359,639 | +0.01(+0.38%) |
| Feb 14, 2012 | 2.720 | 2.760 | 2.640 | 2.660 | 478,902 | -0.06(-2.21%) |
| Feb 13, 2012 | 2.680 | 2.800 | 2.680 | 2.720 | 886,024 | +0.11(+4.21%) |
| Feb 10, 2012 | 2.730 | 2.830 | 2.610 | 2.610 | 730,653 | -0.13(-4.74%) |
| Feb 09, 2012 | 2.760 | 2.760 | 2.670 | 2.740 | 566,358 | +0.00(+0.00%) |
| Feb 08, 2012 | 2.660 | 2.760 | 2.660 | 2.740 | 721,227 | +0.09(+3.40%) |
| Feb 07, 2012 | 2.600 | 2.660 | 2.570 | 2.650 | 607,243 | +0.05(+1.92%) |
| Feb 06, 2012 | 2.650 | 2.650 | 2.570 | 2.600 | 509,504 | -0.02(-0.76%) |
| Feb 03, 2012 | 2.620 | 2.660 | 2.580 | 2.620 | 847,832 | +0.06(+2.34%) |
| Feb 02, 2012 | 2.500 | 2.620 | 2.490 | 2.560 | 898,509 | +0.08(+3.23%) |
| Feb 01, 2012 | 2.530 | 2.530 | 2.460 | 2.480 | 535,198 | -0.05(-1.98%) |
| Jan 31, 2012 | 2.520 | 2.540 | 2.480 | 2.530 | 618,445 | +0.07(+2.85%) |
| Jan 30, 2012 | 2.530 | 2.530 | 2.430 | 2.460 | 645,852 | -0.07(-2.77%) |
| Jan 27, 2012 | 2.440 | 2.570 | 2.400 | 2.530 | 1,100,125 | +0.09(+3.69%) |
| Jan 26, 2012 | 2.480 | 2.630 | 2.410 | 2.440 | 2,025,270 | +0.03(+1.24%) |
| Jan 25, 2012 | 2.250 | 2.420 | 2.210 | 2.410 | 2,742,137 | +0.26(+12.09%) |
| Jan 24, 2012 | 2.110 | 2.230 | 2.050 | 2.150 | 2,006,556 | +0.05(+2.38%) |
| Jan 23, 2012 | 2.120 | 2.180 | 2.100 | 2.100 | 748,119 | -0.02(-0.94%) |
| Jan 20, 2012 | 2.190 | 2.190 | 2.050 | 2.120 | 1,581,922 | -0.07(-3.20%) |
| Jan 19, 2012 | 2.200 | 2.270 | 2.170 | 2.190 | 1,839,186 | +0.02(+0.92%) |
| Jan 18, 2012 | 2.260 | 2.360 | 2.100 | 2.170 | 5,288,343 | -0.81(-27.18%) |
| Jan 17, 2012 | 3.050 | 3.100 | 2.950 | 2.980 | 1,135,868 | +0.03(+1.02%) |
| Jan 13, 2012 | 2.960 | 3.000 | 2.851 | 2.950 | 597,399 | -0.03(-1.01%) |
| Jan 12, 2012 | 2.910 | 3.060 | 2.910 | 2.980 | 629,133 | +0.05(+1.71%) |
| Jan 11, 2012 | 3.010 | 3.030 | 2.850 | 2.930 | 599,438 | -0.05(-1.68%) |
| Jan 10, 2012 | 3.100 | 3.170 | 2.800 | 2.980 | 1,438,094 | -0.11(-3.56%) |
| Jan 09, 2012 | 2.990 | 3.100 | 2.990 | 3.090 | 703,299 | +0.12(+4.04%) |
| Jan 06, 2012 | 2.950 | 3.040 | 2.930 | 2.970 | 539,367 | +0.04(+1.37%) |
| Jan 05, 2012 | 2.820 | 3.040 | 2.820 | 2.930 | 1,405,139 | +0.18(+6.55%) |
| Jan 04, 2012 | 2.640 | 2.780 | 2.600 | 2.750 | 647,366 | +0.31(+12.70%) |
| Dec 30, 2011 | 2.380 | 2.510 | 2.360 | 2.440 | 542,284 | +0.03(+1.24%) |
| Dec 29, 2011 | 2.590 | 2.630 | 2.370 | 2.410 | 1,075,448 | -0.16(-6.23%) |
| Dec 28, 2011 | 2.650 | 2.690 | 2.560 | 2.570 | 355,112 | -0.06(-2.28%) |
| Dec 27, 2011 | 2.710 | 2.730 | 2.630 | 2.630 | 401,474 | -0.07(-2.59%) |
| Dec 23, 2011 | 2.720 | 2.750 | 2.650 | 2.700 | 248,634 | -0.02(-0.74%) |
| Dec 21, 2011 | 2.790 | 2.800 | 2.640 | 2.720 | 462,025 | -0.04(-1.45%) |
| Dec 20, 2011 | 2.680 | 2.770 | 2.680 | 2.760 | 635,367 | +0.14(+5.34%) |
| Dec 19, 2011 | 2.790 | 2.860 | 2.610 | 2.620 | 687,829 | -0.17(-6.09%) |
| Dec 16, 2011 | 2.860 | 2.920 | 2.730 | 2.790 | 619,149 | -0.02(-0.71%) |
| Dec 15, 2011 | 2.800 | 2.890 | 2.770 | 2.810 | 362,970 | +0.03(+1.08%) |
| Dec 14, 2011 | 2.930 | 2.950 | 2.720 | 2.780 | 864,266 | -0.14(-4.79%) |
| Dec 13, 2011 | 3.000 | 3.100 | 2.900 | 2.920 | 534,077 | -0.04(-1.35%) |
| Dec 12, 2011 | 3.060 | 3.150 | 2.880 | 2.960 | 1,378,931 | -0.11(-3.58%) |
| Dec 09, 2011 | 2.910 | 3.090 | 2.900 | 3.070 | 1,033,768 | +0.13(+4.42%) |
| Dec 08, 2011 | 2.970 | 3.030 | 2.900 | 2.940 | 492,895 | -0.02(-0.68%) |
| Dec 07, 2011 | 3.040 | 3.040 | 2.930 | 2.960 | 435,407 | -0.09(-2.95%) |
| Dec 06, 2011 | 3.060 | 3.060 | 2.870 | 3.050 | 719,534 | +0.03(+0.99%) |
| Dec 05, 2011 | 3.150 | 3.160 | 3.000 | 3.020 | 802,480 | -0.06(-1.95%) |
| Dec 02, 2011 | 3.150 | 3.220 | 3.000 | 3.080 | 1,032,851 | -0.02(-0.65%) |