| Code | Name | High | Low | Close | Volume | Change |
|---|
| KALU | Kaiser Aluminum Corporation | 40.72 | 39.76 | 40.48 | 61,555 | 0.48 |  | 1.20 |
| KAMN | Kaman Corporation | 22.54 | 22.08 | 22.26 | 67,701 | 0.05 |  | 0.22 |
| KBALB | Kimball International Inc. | 8.200 | 7.760 | 8.180 | 75,127 | 0.030 | | 0.37 |
| KCAP | Kohlberg Capital Corporation | 4.930 | 4.600 | 4.850 | 116,432 | 0.050 | | 1.02 |
| KCLI | Kansas City Life Insurance Company | 26.80 | 25.67 | 26.80 | 39,566 | 0.23 | | 0.87 |
| KELYA | Kelly Services Inc. | 10.75 | 10.51 | 10.73 | 79,525 | 0.06 | | 0.56 |
| KELYB | Kelly Services Inc. | 14.99 | 14.99 | 14.99 | 100 | 1.23 | | 8.94 |
| KENT | Kent Financial Services Inc. | 1.630 | 1.620 | 1.620 | 300 | 0.180 | | 12.50 |
| KEQU | Kewaunee Scientific Corporation | 14.49 | 14.49 | 14.49 | 100 | 0.81 | | 5.29 |
| KERX | Keryx Biopharmaceuticals Inc. | 2.370 | 2.250 | 2.300 | 631,239 | 0.050 | | 2.13 |
| KEYN | Keynote Systems Inc. | 10.31 | 9.94 | 10.20 | 26,679 | 0.04 | | 0.39 |
| KFED | K-Fed Bancorp | 8.620 | 8.060 | 8.060 | 5,734 | 0.380 | | 4.50 |
| KFFB | Kentucky First Federal Bancorp | 12.22 | 12.07 | 12.22 | 2,068 | 0.09 | | 0.74 |
| KFRC | Kforce Inc. | 13.81 | 13.35 | 13.49 | 170,012 | 0.11 | | 0.81 |
| KINS | KINGSTONE COS INC | 1.990 | 1.920 | 1.990 | 2,238 | 0.070 | | 3.65 |
| KIRK | Kirkland's Inc. | 15.75 | 13.65 | 15.72 | 1,860,197 | 2.44 | | 18.37 |
| KITD | KIT DIGITAL INC | 11.12 | 10.09 | 10.40 | 142,084 | 0.50 | | 4.59 |
| KLAC | KLA-Tencor Corporation | 32.09 | 31.64 | 31.89 | 2,893,957 | 0.25 | | 0.78 |
| KLIC | Kulicke and Soffa Industries Inc. | 4.730 | 4.280 | 4.380 | 1,840,434 | 0.260 | | 5.60 |
| KMGB | KMG Chemicals Inc. | 15.70 | 15.38 | 15.50 | 48,118 | 0.06 | | 0.39 |
| KNDI | Kandi Technolgies Corp. | 4.400 | 3.900 | 4.370 | 238,458 | 0.150 | | 3.55 |
| KNDL | Kendle International Inc. | 16.60 | 16.35 | 16.46 | 121,341 | 0.06 | | 0.37 |
| KNOL | Knology Inc. | 10.000 | 9.780 | 9.940 | 85,307 | 0.040 | | 0.40 |
| KNOT | Knot Inc. (The) | 9.700 | 9.390 | 9.500 | 74,917 | 0.050 | | 0.52 |
| KNSY | Kensey Nash Corporation | 23.39 | 22.92 | 23.30 | 100,832 | 0.10 | | 0.43 |
| KNXA | Kenexa Corporation | 11.69 | 11.42 | 11.49 | 63,822 | 0.11 | | 0.95 |
| KONA | Kona Grill Inc. | 3.080 | 2.920 | 2.920 | 2,770 | 0.110 | | 3.62 |
| KONG | KongZhong Corporation | 14.00 | 13.62 | 13.81 | 131,923 | 0.18 | | 1.29 |
| KOOL | THERMOGENESIS Corp. | 0.6400 | 0.6200 | 0.6200 | 125,784 | 0.0100 | | 1.59 |
| KOPN | Kopin Corporation | 4.870 | 4.600 | 4.660 | 330,003 | 0.110 | | 2.31 |
| KOSS | Koss Corporation | 12.90 | 11.57 | 12.90 | 5,008 | 1.34 | | 11.59 |
| KPPC | KapStone Paper and Packaging Corporation | 6.810 | 6.410 | 6.720 | 269,493 | 0.240 | | 3.70 |
| KRNY | Kearny Financial | 9.910 | 9.600 | 9.680 | 26,785 | 0.050 | | 0.51 |
| KSW | KSW Inc | 3.480 | 3.440 | 3.480 | 10,088 | 0.020 | | 0.58 |
| KSWS | K-Swiss Inc. | 8.790 | 8.570 | 8.740 | 93,441 | 0.120 | | 1.39 |
| KTCC | Key Tronic Corporation | 2.670 | 2.630 | 2.650 | 9,581 | 0.000 |  | 0.00 |
| KTEC | Key Technology Inc. | 12.50 | 11.59 | 12.50 | 18,038 | 0.15 | | 1.21 |
| KTII | K-Tron International Inc. | 99.61 | 98.00 | 98.64 | 8,401 | 1.32 | | 1.32 |
| KTOS | Kratos Defense & Security Solutions Inc. | 10.34 | 9.73 | 10.34 | 61,084 | 0.39 | | 3.92 |
| KTOSD | KRATOS DEFENSE & SECUR ITY SO | 11.98 | 8.76 | 11.29 | 479,625 | 1.03 | | 10.04 |
| KVHI | KVH Industries Inc. | 12.50 | 12.27 | 12.49 | 38,331 | 0.12 | | 0.97 |