| Code | Name | High | Low | Close | Volume | Change | |
|---|
| QABA | Qtec First Trust ETF | 49.04 | 48.59 | 48.74 | 40,900 | -0.28 |  | 0.57 |   |
| QADA | Qad Inc | 32.15 | 29.90 | 32.00 | 60,600 | 1.25 |  | 4.07 | |
| QADB | Q A D Inc Cl B | 26.75 | 26.05 | 26.75 | 6,900 | 0.70 | | 2.69 | |
| QAT | Ishares Qatar Capped ETF | 18.88 | 18.87 | 18.87 | 400 | -0.01 | | 0.05 | |
| QBAK | Qualstar Corp | 5.160 | 4.880 | 5.140 | 24,200 | 0.270 | | 5.54 | |
| QCLN | Nasdaq Clean Edge Green Energy Index | 17.44 | 17.30 | 17.40 | 8,800 | -0.01 | | 0.06 | |
| QCOM | Qualcomm Inc | 57.98 | 57.37 | 57.52 | 8,261,800 | -0.93 | | 1.59 | |
| QCRH | Qcr Holdings Inc | 44.65 | 43.42 | 44.50 | 48,300 | 0.70 | | 1.60 | |
| QDEL | Quidel Cp | 25.17 | 24.65 | 24.91 | 150,400 | -0.01 | | 0.04 | |
| QGEN | Qiagen N.V. | 32.97 | 32.73 | 32.90 | 502,300 | 0.06 | | 0.18 | |
| QINC | Rba Quality Income ETF FT | 23.79 | 23.75 | 23.75 | 5,600 | -0.02 | | 0.08 | |
| QIWI | Qiwi Plc ADR | 23.37 | 22.79 | 23.20 | 373,000 | 0.33 | | 1.44 | |
| QLC | Flexshares US Quality Largecap | 29.55 | 29.53 | 29.54 | 2,500 | 0.17 | | 0.58 | |
| QLYS | Qualys Inc | 42.80 | 42.20 | 42.55 | 250,800 | -0.10 | | 0.23 | |
| QNST | Quinstreet Inc | 3.740 | 3.590 | 3.630 | 41,600 | 0.010 | | 0.28 | |
| QPAC | Quinpario Acq2 Com | 9.950 | 9.950 | 9.950 | 200 | -0.020 | | 0.20 | |
| QPACU | Quinpario Acq 2 Unit | 10.33 | 10.20 | 10.30 | 3,200 | -0.03 | | 0.29 | |
| QPACW | Quinpario Acq2 Wrnt | 0.4200 | 0.3200 | 0.4200 | 7,400 | 0.0000 |  | 0.00 | |
| QQEW | Nasdaq-100 EW Index Fund FT | 54.03 | 53.90 | 54.02 | 45,100 | 0.05 | | 0.09 | |
| QQQ | PS QQQ ETF | 141.3 | 140.8 | 141.2 | 13,851,500 | 0.3 | | 0.18 | |
| QQQC | G-X Nasdaq China Tech ETF | 25.52 | 25.30 | 25.50 | 9,500 | 0.19 | | 0.75 | |
| QQQX | Nuveen Nasdaq 100 | 22.75 | 22.60 | 22.63 | 155,500 | -0.07 | | 0.31 | |
| QQXT | Nasdaq-100 Ex-Tech Sector Indexsm Fund | 46.10 | 45.93 | 46.06 | 8,900 | 0.04 | | 0.09 | |
| QRHC | Quest Resource Cmn | 2.900 | 2.530 | 2.900 | 83,600 | 0.200 | | 7.41 | |
| QRVO | Qorvo Inc | 78.88 | 77.76 | 77.84 | 1,349,400 | -0.99 | | 1.26 | |
| QSII | Quality Systems Inc | 14.90 | 14.66 | 14.72 | 242,000 | -0.03 | | 0.20 | |
| QTEC | Nasdaq-100 Technology Index Fund FT | 64.80 | 64.39 | 64.72 | 172,300 | 0.00 | | 0.00 | |
| QTNA | Quantenna Communications Inc | 19.41 | 18.70 | 19.11 | 461,900 | 0.06 | | 0.31 | |
| QTNT | Quotient Limited Ord | 7.600 | 7.360 | 7.560 | 96,600 | 0.090 | | 1.20 | |
| QUIK | Quicklogic Corp | 1.250 | 1.210 | 1.220 | 112,100 | -0.030 | | 2.40 | |
| QUMU | Qumu Corporation | 2.940 | 2.680 | 2.940 | 16,600 | 0.100 | | 3.52 | |
| QURE | Uniqure N.V. | 5.800 | 5.410 | 5.590 | 65,200 | 0.170 | | 3.14 | |
| QVCA | Liberty Int Qvc Sr A | 23.80 | 23.52 | 23.72 | 1,660,500 | 0.00 | | 0.00 | |
| QVCB | Liberty Int Qvc Sr B | 24.01 | 23.86 | 23.87 | 500 | -0.13 | | 0.54 | |
| QYLD | Recon Nq-100 Covered Call ETF | 23.85 | 23.76 | 23.80 | 16,400 | -0.02 | | 0.08 | |