| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 15 Mar 1991 | GBX | 365 | 375 | 365 | 372 | 372 | +3 (+0.81%) | 20,850 |
| 14 Mar 1991 | GBX | 365 | 369 | 365 | 369 | 369 | +1 (+0.27%) | 145,000 |
| 13 Mar 1991 | GBX | 367 | 368 | 367 | 368 | 368 | -7 (-1.87%) | 19,740 |
| 12 Mar 1991 | GBX | 365 | 375 | 365 | 375 | 375 | +10 (+2.74%) | 5,500 |
| 11 Mar 1991 | GBX | 374 | 374 | 365 | 365 | 365 | -8 (-2.14%) | 201,500 |
| 8 Mar 1991 | GBX | 367 | 374 | 367 | 373 | 373 | +10 (+2.75%) | 14,400 |
| 7 Mar 1991 | GBX | 370 | 370 | 363 | 363 | 363 | -2 (-0.55%) | 354,049 |
| 6 Mar 1991 | GBX | 365 | 365 | 365 | 365 | 365 | +9 (+2.53%) | 321,100 |
| 5 Mar 1991 | GBX | 360 | 360 | 355 | 356 | 356 | +1 (+0.28%) | 261,600 |
| 4 Mar 1991 | GBX | 355 | 355 | 355 | 355 | 355 | -5 (-1.39%) | 5,900 |
| 1 Mar 1991 | GBX | 365 | 367 | 357 | 360 | 360 | +1 (+0.28%) | 109,000 |
| 27 Feb 1991 | GBX | 357 | 365 | 355 | 359 | 359 | -1 (-0.28%) | 129,325 |
| 26 Feb 1991 | GBX | 363 | 363 | 360 | 360 | 360 | -10 (-2.70%) | 25,362 |
| 25 Feb 1991 | GBX | 373 | 373 | 370 | 370 | 370 | +3 (+0.82%) | 3,850 |
| 22 Feb 1991 | GBX | 362 | 367 | 362 | 367 | 367 | +2 (+0.55%) | 60,000 |
| 21 Feb 1991 | GBX | 365 | 365 | 365 | 365 | 365 | 0.0 (0.0%) | 3,400 |
| 20 Feb 1991 | GBX | 365 | 365 | 365 | 365 | 365 | -2 (-0.54%) | 3,630 |
| 19 Feb 1991 | GBX | 373 | 373 | 367 | 367 | 367 | -1 (-0.27%) | 5,600 |
| 18 Feb 1991 | GBX | 370 | 370 | 365 | 368 | 368 | +1 (+0.27%) | 47,570 |
| 15 Feb 1991 | GBX | 362 | 367 | 362 | 367 | 367 | +7 (+1.94%) | 3,500 |
| 14 Feb 1991 | GBX | 361 | 362 | 360 | 360 | 360 | 0.0 (0.0%) | 424,500 |
| 13 Feb 1991 | GBX | 360 | 360 | 360 | 360 | 360 | -7 (-1.91%) | 1,000 |
| 12 Feb 1991 | GBX | 360 | 367 | 360 | 367 | 367 | +11 (+3.09%) | 6,200 |
| 8 Feb 1991 | GBX | 356 | 356 | 356 | 356 | 356 | -2 (-0.56%) | 8,300 |
| 7 Feb 1991 | GBX | 358 | 358 | 358 | 358 | 358 | 0.0 (0.0%) | 10,000 |
| 6 Feb 1991 | GBX | 365 | 365 | 358 | 358 | 358 | -2 (-0.56%) | 123,300 |
| 5 Feb 1991 | GBX | 358 | 362 | 352 | 360 | 360 | +12 (+3.45%) | 145,187 |
| 1 Feb 1991 | GBX | 348 | 348 | 348 | 348 | 348 | -2 (-0.57%) | 2,000 |
| 31 Jan 1991 | GBX | 350 | 350 | 350 | 350 | 350 | 0.0 (0.0%) | 5,000 |
| 30 Jan 1991 | GBX | 345 | 350 | 345 | 350 | 350 | +8 (+2.34%) | 31,500 |
