| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 31 Jul 1991 | GBX | 344 | 349 | 339 | 344 | 344 | -2 (-0.58%) | 8,480,938 |
| 30 Jul 1991 | GBX | 346 | 351 | 341 | 346 | 346 | -1 (-0.29%) | 4,911,154 |
| 29 Jul 1991 | GBX | 347 | 352 | 342 | 347 | 347 | +4 (+1.17%) | 13,650,876 |
| 26 Jul 1991 | GBX | 343 | 348 | 338 | 343 | 343 | -1 (-0.29%) | 9,542,338 |
| 25 Jul 1991 | GBX | 344 | 349 | 339 | 344 | 344 | -1.5 (-0.43%) | 14,768,718 |
| 24 Jul 1991 | GBX | 345.5 | 350 | 340 | 345.5 | 345.5 | -2 (-0.58%) | 4,584,800 |
| 23 Jul 1991 | GBX | 347.5 | 352 | 342 | 347.5 | 347.5 | -1 (-0.29%) | 11,333,504 |
| 22 Jul 1991 | GBX | 348.5 | 353 | 343 | 348.5 | 348.5 | +1.5 (+0.43%) | 8,641,560 |
| 19 Jul 1991 | GBX | 347 | 352 | 342 | 347 | 347 | -7.5 (-2.12%) | 10,260,564 |
| 18 Jul 1991 | GBX | 354.5 | 359 | 349 | 354.5 | 354.5 | -0.5 (-0.14%) | 31,508,784 |
| 17 Jul 1991 | GBX | 355 | 360 | 350 | 355 | 355 | +6 (+1.72%) | 15,716,474 |
| 16 Jul 1991 | GBX | 349 | 354 | 344 | 349 | 349 | -1.5 (-0.43%) | 12,563,162 |
| 15 Jul 1991 | GBX | 350.5 | 355 | 345 | 350.5 | 350.5 | +4.5 (+1.30%) | 12,617,492 |
| 12 Jul 1991 | GBX | 346 | 351 | 341 | 346 | 346 | +1 (+0.29%) | 15,157,782 |
| 11 Jul 1991 | GBX | 345 | 350 | 340 | 345 | 345 | +2 (+0.58%) | 16,031,210 |
| 10 Jul 1991 | GBX | 343 | 348 | 338 | 343 | 343 | +4 (+1.18%) | 14,604,490 |
| 9 Jul 1991 | GBX | 339 | 344 | 334 | 339 | 339 | +5 (+1.50%) | 13,540,304 |
| 8 Jul 1991 | GBX | 334 | 339 | 329 | 334 | 334 | -3.5 (-1.04%) | 7,346,448 |
| 5 Jul 1991 | GBX | 337.5 | 342 | 332 | 337.5 | 337.5 | +4.5 (+1.35%) | 16,208,174 |
| 4 Jul 1991 | GBX | 333 | 338 | 328 | 333 | 333 | +5 (+1.52%) | 9,777,306 |
| 3 Jul 1991 | GBX | 328 | 333 | 323 | 328 | 328 | -5.5 (-1.65%) | 13,309,760 |
| 2 Jul 1991 | GBX | 333.5 | 338 | 328 | 333.5 | 333.5 | +4 (+1.21%) | 7,749,706 |
| 1 Jul 1991 | GBX | 329.5 | 334 | 324 | 329.5 | 329.5 | +2 (+0.61%) | 5,737,342 |
| 28 Jun 1991 | GBX | 327.5 | 332 | 322 | 327.5 | 327.5 | -2 (-0.61%) | 9,565,324 |
| 27 Jun 1991 | GBX | 329.5 | 334 | 324 | 329.5 | 329.5 | +1.5 (+0.46%) | 12,958,420 |
| 26 Jun 1991 | GBX | 328 | 333 | 323 | 328 | 328 | -4 (-1.20%) | 7,446,980 |
| 25 Jun 1991 | GBX | 332 | 337 | 327 | 332 | 332 | +1 (+0.30%) | 4,850,760 |
| 24 Jun 1991 | GBX | 331 | 336 | 326 | 331 | 331 | -3 (-0.90%) | 5,087,826 |
| 21 Jun 1991 | GBX | 334 | 339 | 329 | 334 | 334 | +2 (+0.60%) | 5,925,098 |
| 20 Jun 1991 | GBX | 332 | 337 | 327 | 332 | 332 | 0.0 (0.0%) | 4,751,170 |
