| Code | Name | High | Low | Close | Volume | Change |
| LABC | Louisiana Bancorp Inc. | 14.23 | 14.15 | 14.15 | 200 | 0.06 |  | 0.42 |
| LABL | Multi-Color Corporation | 11.89 | 11.42 | 11.84 | 32,339 | 0.28 |  | 2.42 |
| LACO | Lakes Entertainment Inc. | 2.790 | 2.550 | 2.620 | 39,856 | 0.060 |  | 2.34 |
| LAKE | Lakeland Industries Inc. | 7.200 | 6.660 | 6.900 | 4,000 | 0.170 |  | 2.40 |
| LAMR | Lamar Advertising Company | 29.16 | 28.40 | 28.61 | 619,713 | 0.47 |  | 1.62 |
| LANC | Lancaster Colony Corporation | 49.26 | 48.25 | 49.13 | 170,035 | 0.44 |  | 0.90 |
| LARK | Landmark Bancorp Inc. | 15.38 | 14.90 | 14.90 | 886 | 0.49 |  | 3.18 |
| LAVA | Magma Design Automation Inc. | 2.400 | 2.320 | 2.380 | 141,267 | 0.010 |  | 0.42 |
| LAWS | Lawson Products Inc. | 15.61 | 14.16 | 15.00 | 21,293 | 0.36 |  | 2.34 |
| LAYN | Layne Christensen Company | 26.75 | 25.92 | 26.39 | 119,793 | 0.26 |  | 0.98 |
| LBAI | Lakeland Bancorp Inc. | 6.280 | 6.050 | 6.130 | 50,194 | 0.060 |  | 0.99 |
| LBCP | Liberty Bancorp Inc. | 7.840 | 7.800 | 7.820 | 769 | 0.400 |  | 4.87 |
| LBIX | Leading Brands Inc | 0.4600 | 0.3900 | 0.4500 | 28,180 | 0.0000 |  | 0.00 |
| LBTYA | Liberty Global Inc. | 20.92 | 20.34 | 20.39 | 1,985,175 | 0.56 |  | 2.67 |
| LBTYB | Liberty Global Inc. | 21.55 | 21.55 | 21.55 | 100 | 2.01 |  | 8.53 |
| LBTYK | Liberty Global Inc. | 20.94 | 20.28 | 20.32 | 377,795 | 0.63 |  | 3.01 |
| LCAPA | Liberty Media Corporation | 23.38 | 22.80 | 23.11 | 306,626 | 0.37 |  | 1.58 |
| LCAPB | Liberty Media Corporation | 25.01 | 23.69 | 23.69 | 800 | 0.53 |  | 2.19 |
| LCAV | LCA-Vision Inc. | 5.380 | 5.270 | 5.330 | 119,932 | 0.030 |  | 0.57 |
| LCRD | LaserCard Corporation | 6.200 | 6.000 | 6.130 | 40,395 | 0.040 |  | 0.66 |
| LCRY | LeCroy Corporation | 4.100 | 3.910 | 4.070 | 3,563 | 0.090 |  | 2.16 |
| LCUT | Lifetime Brands Inc. | 6.810 | 6.600 | 6.750 | 13,139 | 0.150 |  | 2.27 |
| LDIS | Leadis Technology Inc. | 1.0200 | 0.9800 | 0.9900 | 773,494 | 0.0200 |  | 1.98 |
| LDSH | Ladish Co. Inc. | 13.53 | 13.01 | 13.45 | 202,782 | 0.20 |  | 1.51 |
| LEAP | Leap Wireless International Inc. | 14.39 | 12.75 | 14.27 | 14,371,519 | 1.52 |  | 11.92 |
| LECO | Lincoln Electric Holdings Inc. | 51.75 | 50.68 | 51.65 | 299,065 | 0.14 |  | 0.27 |
| LEDR | HOUSEVALUES INC. | 1.910 | 1.850 | 1.900 | 3,354 | 0.050 |  | 2.70 |
| LEGC | Legacy Bancorp Inc. | 9.850 | 9.530 | 9.750 | 14,094 | 0.250 |  | 2.63 |
| LFUS | Littelfuse Inc. | 28.23 | 26.67 | 27.00 | 57,214 | 0.48 |  | 1.75 |
| LGCY | Legacy Reserves LP | 17.36 | 16.96 | 17.13 | 98,815 | 0.10 |  | 0.58 |
| LGND | Ligand Pharmaceuticals Incorporated | 2.230 | 2.040 | 2.110 | 355,372 | 0.010 |  | 0.48 |
| LHCG | LHC Group | 31.35 | 29.87 | 31.25 | 102,120 | 0.59 |  | 1.92 |
| LIFE | Lifeline Systems, Inc. | 50.25 | 49.06 | 49.48 | 1,262,120 | 0.31 |  | 0.62 |
| LIHR | Lihir Gold | 33.11 | 31.95 | 33.05 | 568,374 | 0.18 |  | 0.55 |
| LIME | lime energy co. | 4.260 | 3.990 | 4.100 | 257,760 | 0.210 |  | 4.87 |
| LIMS | STARLIMS Technologies Ltd. | 10.90 | 9.70 | 10.18 | 17,689 | 0.34 |  | 3.46 |
| LINC | Lincoln Educational Services Corporation | 22.41 | 22.03 | 22.06 | 87,093 | 0.35 |  | 1.56 |
| LINE | Linn Energy LLC | 24.57 | 24.13 | 24.49 | 741,679 | 0.01 |  | 0.04 |
| LINTA | Liberty Media Corporation | 11.02 | 10.57 | 10.63 | 5,813,154 | 0.11 |  | 1.02 |
| LINTB | Liberty Media Corporation | 10.87 | 10.87 | 10.87 | 100 | 0.04 |  | 0.37 |
| LION | Fidelity Southern Corporation | 2.730 | 2.530 | 2.660 | 19,341 | 0.110 |  | 4.31 |
| LIOX | Lionbridge Technologies Inc. | 2.170 | 2.050 | 2.060 | 137,203 | 0.010 |  | 0.48 |
| LIVE | LiveDeal Inc. | 2.000 | 1.930 | 2.000 | 11,715 | 0.190 |  | 10.50 |
| LIWA | LIHUA INTERNATIONAL INC. | 8.980 | 8.620 | 8.770 | 31,920 | 0.100 |  | 1.13 |
| LJPC | La Jolla Pharmaceutical Company | 0.0700 | 0.0600 | 0.0600 | 1,511,247 | 0.0000 |  | 0.00 |
| LKFN | Lakeland Financial Corporation | 17.18 | 16.89 | 17.13 | 143,865 | 0.13 |  | 0.76 |
| LKQX | LKQ Corporation | 18.07 | 17.69 | 17.83 | 309,604 | 0.16 |  | 0.89 |
| LLNW | Limelight Networks Inc. | 3.480 | 3.400 | 3.470 | 129,664 | 0.020 |  | 0.58 |
| LLTC | Linear Technology Corporation | 26.77 | 26.32 | 26.44 | 3,922,044 | 0.42 |  | 1.56 |
| LMAT | LeMaitre Vascular Inc. | 4.880 | 4.700 | 4.880 | 189,050 | 0.130 |  | 2.74 |
| LMDIA | Liberty Media Corporation | 36.26 | 35.03 | 35.91 | 18,710,386 | 0.12 |  | 0.34 |
| LMDIB | Liberty Media Corporation | 36.10 | 35.70 | 35.70 | 1,700 | 0.05 |  | 0.14 |
| LMIA | LMI Aerospace Inc. | 12.64 | 11.58 | 11.70 | 63,782 | 0.35 |  | 2.90 |
| LMLP | LML Payment Systems Inc. | 0.7900 | 0.7800 | 0.7900 | 7,987 | 0.0200 |  | 2.60 |
| LMNX | Luminex Corporation | 14.02 | 13.54 | 13.92 | 432,981 | 0.28 |  | 2.05 |
| LNBB | LNB Bancorp Inc. | 4.720 | 4.440 | 4.670 | 5,389 | 0.020 |  | 0.43 |
| LNCE | Lance Inc. | 24.39 | 24.00 | 24.35 | 65,968 | 0.28 |  | 1.16 |
| LNCR | Lincare Holdings Inc. | 35.57 | 34.54 | 35.38 | 676,281 | 0.57 |  | 1.64 |
| LNDC | Landec Corporation | 6.420 | 6.200 | 6.300 | 81,308 | 0.050 |  | 0.80 |
| LNDU | Merrill Lynch & Co. Inc. | 9.910 | 9.910 | 9.910 | 4,300 | 0.020 |  | 0.20 |
| LNET | LodgeNet Interactive Corporation | 5.460 | 5.240 | 5.280 | 83,489 | 0.010 |  | 0.19 |
| LNUX | SourceForge Inc. | 1.190 | 1.150 | 1.150 | 79,143 | 0.010 |  | 0.86 |
| LOAN | Manhattan Bridge Capital Inc | 1.0100 | 1.0000 | 1.0000 | 16,000 | 0.0100 |  | 0.99 |
| LOCM | Local.com Corporation | 5.370 | 5.080 | 5.300 | 72,805 | 0.070 |  | 1.30 |
| LOGC | Logic Devices Incorporated | 1.340 | 1.150 | 1.210 | 12,100 | 0.060 |  | 5.22 |
| LOGI | Logitech International S.A. | 17.04 | 16.73 | 17.00 | 684,862 | 0.23 |  | 1.33 |
| LOGM | LOGMEIN INC. | 18.20 | 17.36 | 17.55 | 2,251,602 | 1.94 |  | 9.95 |
| LOJN | LoJack Corporation | 4.100 | 3.900 | 3.910 | 161,775 | 0.220 |  | 5.33 |
| LONG | eLong Inc. | 16.45 | 15.78 | 16.45 | 61,280 | 0.41 |  | 2.56 |
| LOOK | LookSmart Ltd. | 1.140 | 1.080 | 1.120 | 76,325 | 0.020 |  | 1.82 |
| LOOP | LoopNet Inc. | 10.17 | 9.88 | 10.15 | 156,473 | 0.01 |  | 0.10 |
| LOPE | GRAND CANYON EDUCATION INC. | 19.58 | 19.21 | 19.54 | 504,958 | 0.29 |  | 1.51 |
| LORL | Loral Space and Communications Inc. | 29.28 | 28.58 | 29.04 | 77,446 | 0.26 |  | 0.90 |
| LPHI | Life Partners Holdings Inc | 19.07 | 18.90 | 19.02 | 56,878 | 0.09 |  | 0.47 |
| LPNT | LifePoint Hospitals Inc. | 29.83 | 29.24 | 29.39 | 449,413 | 0.31 |  | 1.04 |
| LPSB | LaPorte Bancorp Inc. | 4.980 | 4.510 | 4.900 | 10,243 | 0.010 |  | 0.20 |
| LPSN | LivePerson Inc. | 6.300 | 6.110 | 6.220 | 207,491 | 0.060 |  | 0.96 |
| LPTH | LightPath Technologies Inc. | 1.690 | 1.610 | 1.610 | 1,614 | 0.060 |  | 3.59 |
| LQDT | Liquidity Services Inc. | 8.380 | 8.100 | 8.210 | 48,100 | 0.050 |  | 0.61 |
| LRCX | Lam Research Corporation | 34.49 | 33.89 | 34.02 | 1,805,639 | 0.28 |  | 0.82 |
| LSBI | LSB Financial Corp. | 11.09 | 11.00 | 11.00 | 1,600 | 0.10 |  | 0.90 |
| LSBK | Lake Shore Bancorp Inc. | 7.600 | 7.550 | 7.600 | 17,940 | 0.000 |  | 0.00 |
| LSBX | LSB Corporation | 11.52 | 10.76 | 10.76 | 1,792 | 0.51 |  | 4.53 |
| LSCC | Lattice Semiconductor Corporation | 2.230 | 2.150 | 2.220 | 634,188 | 0.070 |  | 3.26 |
| LSTAV | LIBERTY MEDIA CORPORATION- YAHOO | 50.00 | 46.98 | 47.84 | 1,828,152 | 1.03 |  | 2.11 |
| LSTR | Landstar System Inc. | 37.47 | 37.07 | 37.28 | 288,644 | 0.21 |  | 0.56 |
| LTBR | LIGHTBRIDGE CORP | 5.710 | 5.400 | 5.710 | 38,627 | 0.260 |  | 4.77 |
| LTON | Linktone Ltd. | 2.170 | 2.090 | 2.110 | 31,298 | 0.020 |  | 0.96 |
| LTRE | Learning Tree International Inc. | 11.15 | 10.92 | 11.00 | 20,557 | 0.03 |  | 0.27 |
| LTRX | Lantronix Inc. | 0.5400 | 0.4900 | 0.5400 | 13,100 | 0.0100 |  | 1.89 |
| LTXC | LTX CREDENCE CORP | 1.380 | 1.270 | 1.300 | 681,771 | 0.020 |  | 1.52 |
| LUFK | Lufkin Industries Inc. | 59.93 | 58.62 | 58.90 | 92,818 | 0.32 |  | 0.54 |
| LULU | lululemon athletica inc. | 27.07 | 26.14 | 26.46 | 519,319 | 0.50 |  | 1.85 |
| LUNA | Luna Innovations Incorporated | 1.460 | 1.360 | 1.380 | 16,150 | 0.120 |  | 8.00 |
| LVLT | Level 3 Communications Inc. | 1.230 | 1.200 | 1.210 | 5,349,491 | 0.020 |  | 1.63 |
| LWAY | Lifeway Foods Inc. | 11.57 | 11.20 | 11.52 | 11,593 | 0.30 |  | 2.67 |
| LWSN | Lawson Software Inc. | 6.600 | 6.430 | 6.480 | 541,022 | 0.050 |  | 0.77 |
| LXRX | Lexicon Pharmaceuticals Inc. | 1.540 | 1.460 | 1.500 | 468,202 | 0.010 |  | 0.67 |
| LYTS | LSI Industries Inc. | 7.250 | 7.070 | 7.150 | 51,282 | 0.050 |  | 0.69 |