| Code | Name | High | Low | Close | Volume | Change |
|---|
| KALU | Kaiser Aluminum Corporation | 42.52 | 41.01 | 41.61 | 54,052 | 0.04 |  | 0.10 |
| KAMN | Kaman Corporation | 21.10 | 20.25 | 21.00 | 84,004 | 0.29 | | 1.36 |
| KBALB | Kimball International Inc. | 7.970 | 7.650 | 7.750 | 44,273 | 0.270 | | 3.37 |
| KCAP | Kohlberg Capital Corporation | 5.710 | 5.260 | 5.520 | 124,744 | 0.060 |  | 1.10 |
| KCLI | Kansas City Life Insurance Company | 28.10 | 27.21 | 27.92 | 9,647 | 0.13 | | 0.47 |
| KELYA | Kelly Services Inc. | 12.24 | 11.32 | 12.12 | 147,374 | 0.21 | | 1.76 |
| KELYB | Kelly Services Inc. | 13.87 | 13.76 | 13.76 | 200 | 0.43 | | 3.23 |
| KENT | Kent Financial Services Inc. | 1.650 | 1.650 | 1.650 | 100 | 0.200 | | 13.79 |
| KEQU | Kewaunee Scientific Corporation | 13.50 | 12.85 | 13.38 | 5,927 | 0.38 | | 2.92 |
| KERX | Keryx Biopharmaceuticals Inc. | 2.250 | 2.120 | 2.190 | 516,019 | 0.030 | | 1.35 |
| KEYN | Keynote Systems Inc. | 9.820 | 9.590 | 9.770 | 30,307 | 0.050 | | 0.51 |
| KFED | K-Fed Bancorp | 8.790 | 8.640 | 8.790 | 1,588 | 0.110 | | 1.27 |
| KFFB | Kentucky First Federal Bancorp | 11.25 | 10.54 | 11.25 | 1,356 | 0.25 | | 2.27 |
| KFRC | Kforce Inc. | 13.31 | 12.57 | 13.28 | 238,569 | 0.24 | | 1.84 |
| KINS | KINGSTONE COS INC | 2.100 | 2.100 | 2.100 | 200 | 0.000 |  | 0.00 |
| KIRK | Kirkland's Inc. | 13.40 | 12.61 | 13.09 | 120,738 | 0.12 | | 0.93 |
| KITD | KIT DIGITAL INC | 9.850 | 9.590 | 9.840 | 26,258 | 0.220 | | 2.29 |
| KLAC | KLA-Tencor Corporation | 33.36 | 32.51 | 32.86 | 2,598,465 | 0.02 | | 0.06 |
| KLIC | Kulicke and Soffa Industries Inc. | 4.980 | 4.580 | 4.680 | 491,106 | 0.050 | | 1.06 |
| KMGB | KMG Chemicals Inc. | 12.33 | 12.20 | 12.23 | 45,315 | 0.01 | | 0.08 |
| KNDI | Kandi Technolgies Corp. | 3.370 | 3.200 | 3.370 | 318,803 | 0.080 | | 2.43 |
| KNDL | Kendle International Inc. | 15.70 | 15.00 | 15.30 | 216,124 | 0.02 | | 0.13 |
| KNOL | Knology Inc. | 10.74 | 9.88 | 10.67 | 213,791 | 0.15 | | 1.43 |
| KNOT | Knot Inc. (The) | 9.810 | 9.300 | 9.510 | 490,352 | 0.930 | | 8.91 |
| KNSY | Kensey Nash Corporation | 24.63 | 24.09 | 24.55 | 42,359 | 0.02 | | 0.08 |
| KNXA | Kenexa Corporation | 12.40 | 12.13 | 12.23 | 163,065 | 0.04 | | 0.33 |
| KONA | Kona Grill Inc. | 3.100 | 2.710 | 2.715 | 18,000 | 0.290 | | 9.67 |
| KONG | KongZhong Corporation | 15.20 | 14.81 | 15.01 | 149,067 | 0.22 | | 1.44 |
| KOOL | THERMOGENESIS Corp. | 0.6300 | 0.6000 | 0.6100 | 173,723 | 0.0100 | | 1.67 |
| KOPN | Kopin Corporation | 4.470 | 4.290 | 4.400 | 212,340 | 0.010 | | 0.23 |
| KOSS | Koss Corporation | 12.92 | 12.20 | 12.20 | 302 | 0.45 | | 3.83 |
| KPPC | KapStone Paper and Packaging Corporation | 7.130 | 6.760 | 7.100 | 769,647 | 0.170 | | 2.45 |
| KPPCW | KapStone Paper and Packaging Corporation | 0.0200 | 0.0100 | 0.0100 | 3,540,355 | 0.0100 | | 50.00 |
| KRNY | Kearny Financial | 10.000 | 9.890 | 9.950 | 18,433 | 0.080 | | 0.80 |
| KSW | KSW Inc | 3.520 | 3.370 | 3.400 | 28,292 | 0.040 | | 1.16 |
| KSWS | K-Swiss Inc. | 9.000 | 8.500 | 8.590 | 121,422 | 0.330 | | 3.70 |
| KTCC | Key Tronic Corporation | 2.540 | 2.440 | 2.530 | 29,068 | 0.110 | | 4.55 |
| KTEC | Key Technology Inc. | 11.07 | 10.75 | 10.88 | 17,208 | 0.72 | | 6.21 |
| KTII | K-Tron International Inc. | 101.6 | 98.9 | 101.0 | 11,851 | 1.1 | | 1.10 |
| KTOS | Kratos Defense & Security Solutions Inc. | 10.90 | 10.52 | 10.90 | 42,807 | 0.15 | | 1.40 |
| KTOSD | KRATOS DEFENSE & SECUR ITY SO | 11.98 | 8.76 | 11.29 | 479,625 | 1.03 | | 10.04 |
| KVHI | KVH Industries Inc. | 11.04 | 10.84 | 10.99 | 46,096 | 0.09 | | 0.83 |