| Code | Name | High | Low | Close | Volume | Change | |
|---|
| QABA | Qtec First Trust ETF | 49.10 | 48.57 | 49.07 | 9,785 | 0.24 |  | 0.49 |   |
| QADA | Qad Inc | 45.00 | 44.05 | 44.92 | 66,762 | 0.32 | | 0.72 | |
| QADB | Q A D Inc Cl B | 32.80 | 32.21 | 32.74 | 1,975 | -0.85 |  | 2.53 | |
| QAT | Qatar Ishares MSCI ETF | 17.92 | 17.62 | 17.76 | 8,358 | -0.11 | | 0.62 | |
| QBAK | Qualstar Corp | 6.290 | 6.160 | 6.230 | 4,114 | 0.080 | | 1.30 | |
| QCLN | Nasdaq Clean Edge Green Energy Index | 22.28 | 21.99 | 22.22 | 26,383 | -0.01 | | 0.04 | |
| QCOM | Qualcomm Inc | 79.07 | 77.64 | 78.90 | 5,147,280 | 0.21 | | 0.27 | |
| QCRH | Qcr Holdings Inc | 38.85 | 37.97 | 38.69 | 70,710 | 0.22 | | 0.57 | |
| QDEL | Quidel Cp | 65.43 | 63.65 | 63.82 | 184,924 | -1.08 | | 1.66 | |
| QFIN | 360 Finance Inc ADR | 9.800 | 9.460 | 9.500 | 187,827 | -0.140 | | 1.45 | |
| QIWI | Qiwi Plc ADR | 22.72 | 22.01 | 22.33 | 265,070 | -0.36 | | 1.59 | |
| QLC | Flexshares US Quality Largecap | 34.49 | 34.29 | 34.47 | 4,929 | 0.01 | | 0.03 | |
| QLYS | Qualys Inc | 80.94 | 78.13 | 79.17 | 263,443 | -1.86 | | 2.30 | |
| QNST | Quinstreet Inc | 13.06 | 12.33 | 12.63 | 567,167 | -0.31 | | 2.40 | |
| QQEW | Nasdaq-100 EW Index Fund FT | 67.85 | 67.19 | 67.85 | 14,394 | -0.28 | | 0.41 | |
| QQQ | Nasdaq QQQ Invesco ETF | 192.6 | 190.1 | 192.5 | 29,276,966 | -0.1 | | 0.04 | |
| QQQX | Nuveen Nasdaq 100 | 22.51 | 22.29 | 22.48 | 75,100 | -0.01 | | 0.04 | |
| QQXT | Nasdaq-100 Ex-Tech Sector Indexsm Fund | 54.52 | 54.33 | 54.52 | 7,387 | -0.15 | | 0.27 | |
| QRHC | Quest Resource | 2.490 | 2.430 | 2.460 | 6,706 | 0.010 | | 0.41 | |
| QRTEA | Qurate Retail Group | 11.23 | 10.87 | 11.08 | 4,022,786 | -0.05 | | 0.45 | |
| QRTEB | Liberty Int Qvc Sr B | 11.20 | 11.20 | 11.20 | 130 | 0.07 | | 0.63 | |
| QRVO | Qorvo Inc | 76.97 | 75.43 | 76.70 | 1,206,960 | 0.35 | | 0.46 | |
| QTEC | Nasdaq-100 Technology Index Fund FT | 90.02 | 88.79 | 90.02 | 56,500 | 0.01 | | 0.01 | |
| QTNT | Quotient Ltd Ord | 8.530 | 8.070 | 8.390 | 274,170 | 0.030 | | 0.36 | |
| QTRH | Quarterhill Inc | 1.370 | 1.280 | 1.280 | 49,310 | -0.080 | | 5.88 | |
| QTRX | Quanterix Corp | 26.15 | 23.60 | 23.75 | 212,486 | -2.22 | | 8.55 | |
| QTT | Qutoutiao Inc ADR | 4.150 | 4.010 | 4.080 | 1,994,071 | -0.020 | | 0.49 | |
| QUIK | Quicklogic Corp | 0.4000 | 0.3700 | 0.3900 | 513,945 | 0.0100 | | 2.70 | |
| QUMU | Qumu Corp | 3.450 | 3.150 | 3.190 | 13,029 | 0.010 | | 0.31 | |
| QURE | Uniqure N.V. | 48.38 | 45.20 | 45.89 | 422,455 | -2.65 | | 5.46 | |
| QYLD | Horizons Nasdaq-100 Covered Call ETF | 23.03 | 22.96 | 22.99 | 255,818 | 0.00 |  | 0.00 | |