| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 14 Mar 1991 | GBX | 191 | 198 | 191 | 198 | 198 | +6 (+3.13%) | 55,000 |
| 13 Mar 1991 | GBX | 186 | 193 | 186 | 192 | 192 | +7 (+3.78%) | 1,255,350 |
| 11 Mar 1991 | GBX | 188 | 189 | 185 | 185 | 185 | 0.0 (0.0%) | 24,200 |
| 8 Mar 1991 | GBX | 183 | 187 | 182 | 185 | 185 | +5 (+2.78%) | 156,698 |
| 7 Mar 1991 | GBX | 183 | 183 | 180 | 180 | 180 | 0.0 (0.0%) | 31,823 |
| 6 Mar 1991 | GBX | 179 | 185 | 179 | 180 | 180 | +2 (+1.12%) | 697,840 |
| 5 Mar 1991 | GBX | 178 | 180 | 175 | 178 | 178 | +2 (+1.14%) | 570,250 |
| 4 Mar 1991 | GBX | 172 | 180 | 172 | 176 | 176 | +1 (+0.57%) | 278,350 |
| 1 Mar 1991 | GBX | 168 | 175 | 166 | 175 | 175 | +10 (+6.06%) | 50,150 |
| 28 Feb 1991 | GBX | 165 | 167 | 165 | 165 | 165 | +5 (+3.13%) | 44,800 |
| 27 Feb 1991 | GBX | 150 | 160 | 150 | 160 | 160 | +10 (+6.67%) | 70,673 |
| 26 Feb 1991 | GBX | 150.125 | 154 | 150 | 150 | 150 | 0.0 (0.0%) | 28,864 |
| 25 Feb 1991 | GBX | 152 | 152 | 150 | 150 | 150 | +2 (+1.35%) | 53,950 |
| 22 Feb 1991 | GBX | 147 | 148 | 147 | 148 | 148 | 0.0 (0.0%) | 122,259 |
| 21 Feb 1991 | GBX | 143 | 148 | 142.5 | 148 | 148 | +6 (+4.23%) | 366,631 |
| 20 Feb 1991 | GBX | 142 | 142 | 142 | 142 | 142 | -3 (-2.07%) | 19,961 |
| 19 Feb 1991 | GBX | 147 | 147 | 145 | 145 | 145 | +3 (+2.11%) | 50,300 |
| 18 Feb 1991 | GBX | 145 | 145 | 142 | 142 | 142 | +4 (+2.90%) | 59,450 |
| 15 Feb 1991 | GBX | 142 | 143 | 138 | 138 | 138 | -4 (-2.82%) | 30,600 |
| 13 Feb 1991 | GBX | 140 | 142 | 140 | 142 | 142 | +5 (+3.65%) | 7,300 |
| 12 Feb 1991 | GBX | 137 | 137 | 137 | 137 | 137 | +2.5 (+1.86%) | 2,311 |
| 11 Feb 1991 | GBX | 133 | 134.5 | 133 | 134.5 | 134.5 | +5.5 (+4.26%) | 22,000 |
| 8 Feb 1991 | GBX | 129 | 129 | 129 | 129 | 129 | -1 (-0.77%) | 5,000 |
| 7 Feb 1991 | GBX | 125 | 130 | 125 | 130 | 130 | +12 (+10.17%) | 80,450 |
| 6 Feb 1991 | GBX | 118 | 118 | 118 | 118 | 118 | -4 (-3.28%) | 20,400 |
| 5 Feb 1991 | GBX | 122 | 122 | 122 | 122 | 122 | +7 (+6.09%) | 25,000 |
| 4 Feb 1991 | GBX | 115 | 115 | 115 | 115 | 115 | -3 (-2.54%) | 3,612 |
| 31 Jan 1991 | GBX | 118 | 118 | 118 | 118 | 118 | +6 (+5.36%) | 3,000 |
| 28 Jan 1991 | GBX | 111 | 112 | 111 | 112 | 112 | -7 (-5.88%) | 116,250 |
| 24 Jan 1991 | GBX | 119 | 119 | 119 | 119 | 119 | +5 (+4.39%) | 16,000 |
