| Date | Open | High | Low | Close | Volume |
| Summary | |||||
| Recent 2 weeks (04/05/2012 to 17/05/2012) |
4.250 | 4.270 | 3.880 | 4.020 | 1,152,700 |
| Previous 2 weeks (19/04/2012 to 03/05/2012) |
4.270 | 4.330 | 3.880 | 4.270 | 1,701,400 |
| Previous 4 weeks (21/03/2012 to 18/04/2012) |
4.040 | 4.370 | 4.040 | 4.290 | 1,646,000 |
| Daily Historical Data | |||||
| 17/05/2012 | 3.950 | 4.020 | 3.900 | 4.020 | 36,700 |
| 16/05/2012 | 4.000 | 4.000 | 3.880 | 3.900 | 147,500 |
| 15/05/2012 | 4.030 | 4.080 | 3.990 | 4.000 | 226,500 |
| 14/05/2012 | 4.160 | 4.160 | 4.020 | 4.030 | 255,400 |
| 11/05/2012 | 4.250 | 4.250 | 4.220 | 4.220 | 55,100 |
| 10/05/2012 | 4.220 | 4.240 | 4.200 | 4.240 | 49,500 |
| 09/05/2012 | 4.220 | 4.220 | 4.200 | 4.200 | 71,000 |
| 08/05/2012 | 4.220 | 4.230 | 4.200 | 4.200 | 134,500 |
| 07/05/2012 | 4.260 | 4.260 | 4.210 | 4.210 | 125,000 |
| 04/05/2012 | 4.250 | 4.270 | 4.250 | 4.260 | 51,500 |
| 03/05/2012 | 4.270 | 4.270 | 4.270 | 4.270 | 13,100 |
| 02/05/2012 | 4.280 | 4.300 | 4.270 | 4.270 | 56,300 |
| 30/04/2012 | 4.250 | 4.250 | 4.230 | 4.240 | 57,500 |
| 27/04/2012 | 4.230 | 4.270 | 4.230 | 4.270 | 15,700 |
| 26/04/2012 | 4.280 | 4.280 | 4.240 | 4.250 | 55,700 |
| 25/04/2012 | 4.270 | 4.290 | 4.260 | 4.280 | 86,300 |
| 24/04/2012 | 4.270 | 4.300 | 4.260 | 4.270 | 51,500 |
| 23/04/2012 | 4.290 | 4.300 | 4.270 | 4.270 | 55,800 |
| 20/04/2012 | 4.330 | 4.330 | 4.290 | 4.290 | 77,000 |
| 19/04/2012 | 4.270 | 4.330 | 4.270 | 4.320 | 79,800 |
| 18/04/2012 | 4.280 | 4.370 | 4.280 | 4.290 | 93,800 |
| 17/04/2012 | 4.200 | 4.300 | 4.200 | 4.300 | 85,800 |
| 16/04/2012 | 4.250 | 4.250 | 4.200 | 4.210 | 56,700 |
| 13/04/2012 | 4.280 | 4.290 | 4.250 | 4.290 | 107,700 |
| 12/04/2012 | 4.230 | 4.280 | 4.200 | 4.260 | 132,500 |
| 10/04/2012 | 4.150 | 4.160 | 4.130 | 4.160 | 158,800 |
| 09/04/2012 | 4.160 | 4.160 | 4.120 | 4.160 | 226,700 |
| 06/04/2012 | 4.120 | 4.170 | 4.120 | 4.170 | 18,000 |
| 05/04/2012 | 4.120 | 4.120 | 4.100 | 4.120 | 154,300 |
| 04/04/2012 | 4.090 | 4.130 | 4.070 | 4.130 | 126,700 |
| 03/04/2012 | 4.120 | 4.120 | 4.090 | 4.100 | 152,100 |
| 02/04/2012 | 4.110 | 4.110 | 4.100 | 4.100 | 25,300 |
| 30/03/2012 | 4.100 | 4.110 | 4.090 | 4.090 | 92,700 |
| 29/03/2012 | 4.120 | 4.120 | 4.100 | 4.100 | 17,600 |
| 28/03/2012 | 4.130 | 4.140 | 4.110 | 4.120 | 34,000 |
| 27/03/2012 | 4.100 | 4.120 | 4.090 | 4.100 | 9,500 |
| 26/03/2012 | 4.100 | 4.120 | 4.080 | 4.090 | 21,000 |
| 23/03/2012 | 4.080 | 4.100 | 4.070 | 4.100 | 23,700 |
| 22/03/2012 | 4.080 | 4.100 | 4.080 | 4.100 | 11,100 |
| 21/03/2012 | 4.040 | 4.070 | 4.040 | 4.060 | 98,000 |
| 20/03/2012 | 4.130 | 4.130 | 4.000 | 4.040 | 310,900 |
| 19/03/2012 | 4.170 | 4.180 | 4.120 | 4.130 | 119,500 |
| 16/03/2012 | 4.190 | 4.200 | 4.170 | 4.170 | 97,300 |
| 15/03/2012 | 4.200 | 4.200 | 4.180 | 4.190 | 61,000 |
| 14/03/2012 | 4.230 | 4.230 | 4.190 | 4.190 | 61,800 |
| 13/03/2012 | 4.240 | 4.240 | 4.200 | 4.200 | 157,300 |
| 12/03/2012 | 4.260 | 4.280 | 4.230 | 4.230 | 216,400 |
| 09/03/2012 | 4.230 | 4.270 | 4.220 | 4.250 | 144,500 |
| 08/03/2012 | 4.230 | 4.230 | 4.210 | 4.220 | 71,500 |
| 07/03/2012 | 4.220 | 4.240 | 4.210 | 4.230 | 74,400 |
| 06/03/2012 | 4.250 | 4.260 | 4.220 | 4.240 | 104,700 |
| 05/03/2012 | 4.290 | 4.370 | 4.220 | 4.230 | 522,200 |
| 02/03/2012 | 4.160 | 4.160 | 4.120 | 4.140 | 78,800 |
| 01/03/2012 | 4.150 | 4.160 | 4.140 | 4.160 | 57,300 |
| 29/02/2012 | 4.160 | 4.170 | 4.150 | 4.150 | 155,000 |
| 28/02/2012 | 4.220 | 4.220 | 4.140 | 4.170 | 87,500 |
| 27/02/2012 | 4.190 | 4.260 | 4.180 | 4.210 | 394,200 |
| 24/02/2012 | 4.300 | 4.300 | 4.100 | 4.170 | 738,300 |
| 23/02/2012 | 4.550 | 4.580 | 4.510 | 4.580 | 103,300 |
| 22/02/2012 | 4.610 | 4.610 | 4.500 | 4.560 | 115,500 |