| Code | Name | High | Low | Close | Volume | Change | |
|---|
| QABA | Qtec First Trust ETF | 51.14 | 50.54 | 51.13 | 17,000 | 0.56 |  | 1.11 |   |
| QADA | Qad Inc | 44.43 | 43.18 | 44.26 | 51,300 | 1.06 | | 2.45 | |
| QADB | Q A D Inc Cl B | 31.64 | 31.64 | 31.64 | 100 | 0.65 | | 2.10 | |
| QAT | Qatar Ishares MSCI ETF | 18.05 | 17.89 | 18.05 | 150,200 | 0.24 | | 1.35 | |
| QBAK | Qualstar Corp | 6.750 | 6.420 | 6.420 | 4,700 | -0.230 |  | 3.46 | |
| QCLN | Nasdaq Clean Edge Green Energy Index | 20.49 | 20.29 | 20.34 | 6,600 | -0.10 | | 0.49 | |
| QCOM | Qualcomm Inc | 52.92 | 52.14 | 52.45 | 12,863,700 | 0.44 | | 0.85 | |
| QCRH | Qcr Holdings Inc | 36.19 | 35.43 | 36.12 | 15,300 | 0.31 | | 0.87 | |
| QDEL | Quidel Cp | 70.31 | 66.96 | 70.00 | 364,700 | 2.32 | | 3.43 | |
| QFIN | 360 Finance Inc. ADR | 14.62 | 13.27 | 14.52 | 100,900 | 1.24 | | 9.34 | |
| QIWI | Qiwi Plc ADR | 14.70 | 14.21 | 14.43 | 170,200 | 0.01 | | 0.07 | |
| QLC | Flexshares US Quality Largecap | 33.85 | 33.69 | 33.82 | 15,500 | 0.07 | | 0.21 | |
| QLYS | Qualys Inc | 85.20 | 83.18 | 84.00 | 484,400 | 0.02 | | 0.02 | |
| QNST | Quinstreet Inc | 13.93 | 13.55 | 13.78 | 808,900 | -0.01 | | 0.07 | |
| QQEW | Nasdaq-100 EW Index Fund FT | 63.41 | 62.89 | 63.14 | 107,100 | 0.04 | | 0.06 | |
| QQQ | Nasdaq QQQ Invesco ETF | 173.1 | 171.3 | 172.3 | 32,592,900 | 0.0 | | 0.02 | |
| QQQX | Nuveen Nasdaq 100 | 22.07 | 21.87 | 21.94 | 110,500 | -0.06 | | 0.27 | |
| QQXT | Nasdaq-100 Ex-Tech Sector Indexsm Fund | 52.26 | 51.94 | 52.07 | 5,300 | -0.23 | | 0.44 | |
| QRHC | Quest Resource | 1.580 | 1.560 | 1.560 | 27,000 | 0.000 |  | 0.00 | |
| QRTEA | Qurate Retail Group | 21.96 | 21.50 | 21.84 | 2,149,200 | 0.08 | | 0.37 | |
| QRTEB | Liberty Int Qvc Sr B | 21.98 | 21.98 | 21.98 | 200 | 0.56 | | 2.61 | |
| QRVO | Qorvo Inc | 66.16 | 64.84 | 65.86 | 1,730,000 | 0.99 | | 1.53 | |
| QTEC | Nasdaq-100 Technology Index Fund FT | 80.59 | 79.83 | 80.03 | 110,800 | 0.25 | | 0.31 | |
| QTNA | Quantenna Communications Inc | 18.04 | 17.70 | 17.86 | 433,300 | 0.08 | | 0.45 | |
| QTNT | Quotient Limited Ord | 9.920 | 9.550 | 9.840 | 304,700 | 0.010 | | 0.10 | |
| QTRH | Quarterhill Inc | 1.0300 | 0.9700 | 1.0000 | 59,600 | 0.0300 | | 3.09 | |
| QTRX | Quanterix Corporation | 23.50 | 22.68 | 23.32 | 43,800 | 0.57 | | 2.51 | |
| QTT | Qutoutiao Inc. ADR | 12.81 | 11.90 | 11.93 | 780,600 | -0.47 | | 3.79 | |
| QUIK | Quicklogic Corp | 0.8500 | 0.8100 | 0.8100 | 601,500 | -0.0500 | | 5.81 | |
| QUMU | Qumu Corp | 2.200 | 2.180 | 2.180 | 2,800 | 0.000 | | 0.00 | |
| QURE | Uniqure N.V. | 39.84 | 38.14 | 39.35 | 351,100 | 0.94 | | 2.45 | |
| QYLD | Horizons Nasdaq-100 Covered Call ETF | 22.31 | 22.21 | 22.26 | 224,200 | -0.22 | | 0.96 | |