| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 21 May 1991 | GBX | 373.5 | 373.5 | 366 | 366.875 | 215.2844 | 0.0 (0.0%) | 1,797,551 |
| 20 May 1991 | GBX | 366 | 372 | 366 | 366.875 | 215.2844 | -6.125 (-1.64%) | 728,679 |
| 17 May 1991 | GBX | 372 | 377 | 367 | 373 | 218.8785 | 0.0 (0.0%) | 439,810 |
| 16 May 1991 | GBX | 370.5 | 373 | 370 | 373 | 218.8785 | -1 (-0.27%) | 416,622 |
| 15 May 1991 | GBX | 377 | 379 | 372 | 374 | 219.4653 | -4 (-1.06%) | 3,046,767 |
| 14 May 1991 | GBX | 370 | 380 | 370 | 378 | 221.8126 | +1 (+0.27%) | 1,130,483 |
| 13 May 1991 | GBX | 381 | 382 | 377 | 377 | 221.2258 | -9 (-2.33%) | 161,798 |
| 10 May 1991 | GBX | 385 | 387 | 380 | 386 | 226.507 | +1 (+0.26%) | 3,443,265 |
| 9 May 1991 | GBX | 373 | 387 | 373 | 385 | 225.9202 | +10 (+2.67%) | 2,991,896 |
| 8 May 1991 | GBX | 374 | 375 | 368 | 375 | 220.0521 | +6.125 (+1.66%) | 1,270,596 |
| 7 May 1991 | GBX | 367 | 373 | 367 | 368.875 | 216.458 | -3.125 (-0.84%) | 459,854 |
| 3 May 1991 | GBX | 368 | 375 | 368 | 372 | 218.2917 | -1 (-0.27%) | 1,447,738 |
| 2 May 1991 | GBX | 367 | 376 | 367 | 373 | 218.8785 | +3 (+0.81%) | 3,401,258 |
| 1 May 1991 | GBX | 369 | 372 | 364 | 370 | 217.1181 | +6 (+1.65%) | 698,456 |
| 30 Apr 1991 | GBX | 367 | 369 | 363 | 364 | 213.5973 | -3 (-0.82%) | 1,315,375 |
| 29 Apr 1991 | GBX | 361 | 367 | 360 | 367 | 215.3577 | +8.625 (+2.41%) | 3,186,191 |
| 26 Apr 1991 | GBX | 355 | 363 | 355 | 358.375 | 210.2965 | +2.375 (+0.67%) | 1,015,274 |
| 25 Apr 1991 | GBX | 356.5 | 358 | 352 | 356 | 208.9028 | -3 (-0.84%) | 1,342,736 |
| 24 Apr 1991 | GBX | 359.375 | 363 | 358 | 359 | 210.6633 | -1 (-0.28%) | 1,636,850 |
| 23 Apr 1991 | GBX | 361 | 362 | 360 | 360 | 211.2501 | -3.875 (-1.06%) | 1,115,342 |
| 22 Apr 1991 | GBX | 358 | 366 | 353 | 363.875 | 213.5239 | -0.125 (-0.03%) | 3,379,878 |
| 19 Apr 1991 | GBX | 371 | 371 | 360 | 364 | 213.5973 | -8 (-2.15%) | 3,021,490 |
| 18 Apr 1991 | GBX | 376 | 378 | 372 | 372 | 218.2917 | -3 (-0.80%) | 1,813,950 |
| 17 Apr 1991 | GBX | 375 | 375 | 372 | 375 | 220.0521 | +2 (+0.54%) | 972,261 |
| 16 Apr 1991 | GBX | 371 | 377 | 371 | 373 | 218.8785 | +1 (+0.27%) | 816,203 |
| 15 Apr 1991 | GBX | 369 | 372 | 366 | 372 | 218.2917 | +6 (+1.64%) | 1,757,316 |
| 12 Apr 1991 | GBX | 371 | 372 | 366 | 366 | 214.7709 | -5.5 (-1.48%) | 829,459 |
| 11 Apr 1991 | GBX | 363 | 376 | 363 | 371.5 | 217.9983 | +5.125 (+1.40%) | 1,903,354 |
| 10 Apr 1991 | GBX | 369 | 369 | 365 | 366.375 | 214.991 | +1.375 (+0.38%) | 517,750 |
| 9 Apr 1991 | GBX | 366 | 370 | 365 | 365 | 214.1841 | -5 (-1.35%) | 525,794 |
