| Code | Name | High | Low | Close | Volume | Change |
| Q500 | FTSE NASDAQ 500 INDEX | 6,216 | 6,144 | 6,152 | 0 | 40 |  | 0.65 |
| QDG | Quadrant Grp | 158.5 | 155.1 | 158.0 | 643 | 2.0 |  | 1.25 |
| QED | Quintain Estates & Dev | 60.75 | 58.00 | 59.00 | 2,304,061 | 0.00 |  | 0.00 |
| QFI | zareba ord gbp0.01 | 3.600 | 3.375 | 3.600 | 15,000 | 0.100 |  | 2.86 |
| QHI | QUARTERLY HIGH INCOME TRUST ORD GBP0.25 | 0.2750 | 0.2750 | 0.2750 | 0 | 0.0000 |  | 0.00 |
| QHIZ | QUARTERLY HIGH INCOME TRUST ZERO DIV PRF | 0.1005 | 0.1005 | 0.1005 | 0 | 0.0000 |  | 0.00 |
| QLGC | FTSE NASDAQ LARGE CAP INDEX | 6,179 | 6,112 | 6,119 | 0 | 34 |  | 0.55 |
| QLI | QUEENCO LEISURE INTERNATIONAL LTD GDR | 3.000 | 3.000 | 3.000 | 0 | 0.000 |  | 0.00 |
| QMID | FTSE NASDAQ MID CAP INDEX | 6,310 | 6,226 | 6,236 | 0 | 61 |  | 0.97 |
| QOGT | QUORUM OIL & GAS TECHNOLOGY FUND LD | 10.15 | 10.15 | 10.15 | 1,075 | 0.00 |  | 0.00 |
| QOGW | QUORUM OIL & GAS TECHNOLOGY FUND LD WTS | 0.2500 | 0.2000 | 0.2000 | 2,411 | 0.0000 |  | 0.00 |
| QQ | qinetiq group ord gbp0 | 143.4 | 140.5 | 141.8 | 3,367,313 | 0.2 |  | 0.14 |
| QRT | Quarto Grp | 78.00 | 75.00 | 75.00 | 0 | 0.00 |  | 0.00 |
| QRTA | QUARTO GROUP INC 8.75P(NET)CNV CUM RED | 97.00 | 97.00 | 97.00 | 0 | 0.00 |  | 0.00 |
| QSMC | FTSE NASDAQ SMALL CAP INDEX | 5,171 | 5,070 | 5,076 | 0 | 76 |  | 1.47 |
| QTED | QATAR TELECOM GDR EACH REP 1/2 ORD QAR10 | 40.00 | 23.00 | 40.00 | 0 | 0.00 |  | 0.00 |
| QWIL | QUEENS WALK INVESTMENT ORD NPV | 2.410 | 2.400 | 2.410 | 0 | 0.005 |  | 0.21 |
| QYM | Quayle Munro | 675.0 | 675.0 | 675.0 | 0 | 25.0 |  | 3.57 |