| Code | Name | High | Low | Close | Volume | Change |
| NABI | Nabi Biopharmaceuticals | 5.000 | 4.570 | 4.900 | 517,047 | 0.220 |  | 4.70 |
| NADX | National Dentex Corporation | 7.700 | 7.270 | 7.700 | 500 | 0.130 |  | 1.72 |
| NAFC | Nash-Finch Company | 33.84 | 32.80 | 32.99 | 60,067 | 0.16 |  | 0.49 |
| NAII | Natural Alternatives International Inc. | 7.360 | 7.120 | 7.250 | 3,000 | 0.050 |  | 0.68 |
| NANO | Nanometrics Incorporated | 11.19 | 10.24 | 10.90 | 589,582 | 0.30 |  | 2.68 |
| NANX | Nanophase Technologies Corporation | 0.9700 | 0.8700 | 0.9700 | 21,325 | 0.1000 |  | 11.49 |
| NARA | Nara Bancorp Inc. | 10.190 | 9.180 | 9.930 | 292,405 | 0.610 |  | 6.55 |
| NASB | NASB Financial Inc. | 24.39 | 23.88 | 24.01 | 12,586 | 0.06 |  | 0.25 |
| NATH | Nathan's Famous Inc. | 14.93 | 14.79 | 14.89 | 6,203 | 0.05 |  | 0.33 |
| NATI | National Instruments Corporation | 28.36 | 27.95 | 28.28 | 183,675 | 0.02 |  | 0.07 |
| NATL | National Interstate Corporation | 16.64 | 16.06 | 16.59 | 22,376 | 0.04 |  | 0.24 |
| NATR | Nature's Sunshine Products, Inc. | 7.600 | 7.000 | 7.010 | 15,836 | 0.590 |  | 7.76 |
| NAVG | Navigators Group Inc. (The) | 47.99 | 47.34 | 47.63 | 50,659 | 0.07 |  | 0.15 |
| NAVI | NaviSite Inc. | 1.970 | 1.910 | 1.970 | 39,167 | 0.020 |  | 1.01 |
| NAVR | Navarre Corporation | 2.440 | 2.310 | 2.320 | 54,417 | 0.110 |  | 4.53 |
| NBBC | NewBridge Bancorp | 2.430 | 2.120 | 2.120 | 31,142 | 0.370 |  | 14.86 |
| NBIX | Neurocrine Biosciences Inc. | 2.190 | 2.050 | 2.130 | 157,086 | 0.000 |  | 0.00 |
| NBN | Northeast Bancorp | 9.710 | 9.710 | 9.710 | 157 | 0.160 |  | 1.68 |
| NBTB | NBT Bancorp Inc. | 20.59 | 20.27 | 20.56 | 86,273 | 0.17 |  | 0.83 |
| NBTF | NB&T FINANCIAL GROUP INC | 16.25 | 16.24 | 16.24 | 950 | 0.44 |  | 2.78 |
| NBXH | Morgan Stanley | 8.520 | 8.500 | 8.500 | 3,480 | 0.360 |  | 4.06 |
| NCBC | New Century Bancorp Inc. (NC) | 5.320 | 5.000 | 5.000 | 5,280 | 0.000 |  | 0.00 |
| NCIT | NCI Inc. | 27.26 | 26.52 | 26.52 | 33,595 | 0.08 |  | 0.30 |
| NCMI | National CineMedia Inc. | 15.45 | 14.60 | 14.75 | 156,929 | 0.41 |  | 2.70 |
| NCOC | National Coal Corp. | 0.9900 | 0.9700 | 0.9700 | 213,072 | 0.0200 |  | 2.02 |
| NCST | NUCRYST Pharmaceuticals Corp. | 1.740 | 1.720 | 1.730 | 77,790 | 0.000 |  | 0.00 |
| NCTY | The9 | 7.570 | 7.430 | 7.490 | 32,761 | 0.050 |  | 0.66 |
| NDAQ | NASDAQ OMX Group Inc. (The) | 19.28 | 18.90 | 18.97 | 2,865,368 | 0.33 |  | 1.71 |
| NDSN | Nordson Corporation | 55.81 | 54.71 | 54.84 | 136,480 | 1.07 |  | 1.91 |
| NEBS | New England Bancshares Inc. | 5.000 | 4.760 | 4.850 | 11,500 | 0.150 |  | 3.00 |
| NECB | Northeast Community Bancorp Inc. | 7.040 | 6.700 | 6.710 | 8,642 | 0.070 |  | 1.03 |
| NENG | Network Engines Inc | 1.280 | 1.210 | 1.280 | 200,040 | 0.050 |  | 4.07 |
| NEOG | Neogen Corporation | 33.42 | 32.50 | 33.21 | 35,169 | 0.08 |  | 0.24 |
| NEPT | Neptune Technologies & Bioresources Inc | 2.230 | 2.160 | 2.200 | 2,167 | 0.020 |  | 0.90 |
| NETC | NET Servicos de Comunicacao S.A. | 14.13 | 13.68 | 13.85 | 512,859 | 0.25 |  | 1.77 |
| NETL | NetLogic Microsystems Inc. | 42.57 | 41.45 | 41.61 | 408,386 | 0.95 |  | 2.23 |
| NEWP | Newport Corporation | 8.090 | 7.840 | 7.940 | 145,555 | 0.060 |  | 0.76 |
| NEWS | NewStar Financial Inc. | 3.200 | 3.130 | 3.170 | 62,609 | 0.010 |  | 0.31 |
| NEWT | Newtek Business Services Inc. | 1.0000 | 0.9100 | 0.9200 | 94,654 | 0.0400 |  | 4.55 |
| NEXM | NexMed Inc. | 0.1800 | 0.1500 | 0.1700 | 992,475 | 0.0000 |  | 0.00 |
| NEXS | Nexxus Lighting Inc. | 4.340 | 4.200 | 4.320 | 6,889 | 0.040 |  | 0.93 |
| NFBK | Northfield Bancorp Inc. | 12.74 | 12.51 | 12.73 | 27,708 | 0.19 |  | 1.52 |
| NFLX | Netflix Inc. | 60.09 | 58.32 | 59.97 | 1,112,071 | 0.29 |  | 0.48 |
| NFSB | Newport Bancorp Inc. | 12.04 | 12.01 | 12.01 | 516 | 0.01 |  | 0.08 |
| NGA | North American Galvanizing & Coatings | 5.090 | 4.910 | 4.950 | 66,519 | 0.010 |  | 0.20 |
| NGAS | NGAS Resources Inc. | 1.670 | 1.610 | 1.640 | 126,112 | 0.020 |  | 1.20 |
| NGBF | NEW GENERATION BIOFUELS HOLDIN | 0.8500 | 0.8100 | 0.8200 | 20,291 | 0.0600 |  | 6.82 |
| NGLS | Targa Resources Partners LP | 19.73 | 19.48 | 19.55 | 184,377 | 0.04 |  | 0.20 |
| NGPC | NGP Capital Resources Company | 7.620 | 7.390 | 7.490 | 52,035 | 0.160 |  | 2.09 |
| NGSX | NeurogesX Inc. | 8.620 | 8.300 | 8.450 | 154,817 | 0.070 |  | 0.84 |
| NHTB | New Hampshire Thrift Bancshares Inc. | 9.970 | 9.970 | 9.970 | 250 | 0.030 |  | 0.30 |
| NHWK | NightHawk Radiology Holdings Inc. | 5.300 | 5.120 | 5.220 | 147,700 | 0.060 |  | 1.14 |
| NICE | NICE-Systems | 29.86 | 29.55 | 29.86 | 94,093 | 0.13 |  | 0.44 |
| NICK | Nicholas Financial Inc. | 7.400 | 7.250 | 7.380 | 4,268 | 0.080 |  | 1.07 |
| NIHD | NII Holdings Inc. | 29.18 | 28.44 | 29.02 | 1,162,157 | 0.34 |  | 1.19 |
| NILE | Blue Nile Inc. | 57.43 | 56.51 | 57.19 | 149,547 | 0.04 |  | 0.07 |
| NINE | Ninetowns Internet Technology Group | 1.610 | 1.610 | 1.610 | 4,000 | 0.010 |  | 0.62 |
| NITE | Knight Capital Group Inc. | 15.53 | 15.27 | 15.52 | 1,650,321 | 0.01 |  | 0.06 |
| NKSH | National Bankshares Inc. | 28.71 | 27.65 | 27.99 | 9,529 | 0.45 |  | 1.58 |
| NKTR | Nektar Therapeutics | 8.820 | 8.570 | 8.640 | 493,290 | 0.090 |  | 1.03 |
| NLCI | Nobel Learning Communities Inc. | 8.340 | 8.050 | 8.100 | 6,206 | 0.020 |  | 0.25 |
| NLST | Netlist Inc. | 7.980 | 6.190 | 7.270 | 30,498,029 | 1.600 |  | 28.22 |
| NLTX | Nile Therapeutics Inc. | 1.500 | 1.400 | 1.500 | 7,611 | 0.020 |  | 1.32 |
| NMRX | Numerex Corp. | 4.470 | 4.250 | 4.470 | 5,432 | 0.220 |  | 5.18 |
| NMTI | NMT Medical Inc. | 1.890 | 1.820 | 1.840 | 23,508 | 0.000 |  | 0.00 |
| NNBR | NN Inc. | 3.950 | 3.840 | 3.900 | 7,179 | 0.000 |  | 0.00 |
| NOBH | Nobility Homes Inc. | 9.590 | 9.560 | 9.560 | 900 | 0.030 |  | 0.31 |
| NOEC | New Oriental Energy & Chemical Corp. | 1.0000 | 0.9400 | 0.9400 | 6,180 | 0.0100 |  | 1.08 |
| NOIZ | Micronetics Inc. | 3.310 | 3.160 | 3.250 | 2,628 | 0.080 |  | 2.40 |
| NOOF | New Frontier Media Inc. | 1.980 | 1.880 | 1.900 | 12,680 | 0.040 |  | 2.06 |
| NOVA | NovaMed Inc. | 4.450 | 4.130 | 4.210 | 51,772 | 0.030 |  | 0.72 |
| NOVB | North Valley Bancorp | 2.220 | 1.830 | 2.000 | 22,661 | 0.450 |  | 18.37 |
| NOVL | Novell Inc. | 4.070 | 3.970 | 3.980 | 2,088,410 | 0.010 |  | 0.25 |
| NOVN | Noven Pharmaceuticals Inc. | 16.50 | 16.46 | 16.47 | 1,737,027 | 0.00 |  | 0.00 |
| NPBC | National Penn Bancshares Inc. | 5.600 | 5.390 | 5.550 | 692,097 | 0.110 |  | 2.02 |
| NPBCO | National Penn Bancshares Inc. | 20.78 | 20.50 | 20.50 | 890 | 0.70 |  | 3.30 |
| NPSP | NPS Pharmaceuticals Inc. | 3.100 | 3.000 | 3.080 | 262,412 | 0.010 |  | 0.32 |
| NRCI | National Research Corporation | 22.68 | 22.15 | 22.44 | 10,922 | 0.16 |  | 0.72 |
| NRGN | Neurogen Corporation | 0.1900 | 0.1600 | 0.1700 | 207,267 | 0.0100 |  | 5.56 |
| NRGP | Inergy Holdings L.P. | 52.75 | 51.68 | 52.39 | 18,626 | 0.11 |  | 0.21 |
| NRGY | Inergy L.P. | 32.68 | 32.31 | 32.47 | 117,697 | 0.11 |  | 0.34 |
| NRIM | Northrim BanCorp Inc | 16.24 | 15.42 | 15.79 | 11,543 | 0.27 |  | 1.68 |
| NSEC | National Security Group Inc. | 9.270 | 7.190 | 9.270 | 6,119 | 1.470 |  | 18.85 |
| NSFC | Northern States Financial Corporation | 3.300 | 3.290 | 3.300 | 400 | 0.000 |  | 0.00 |
| NSHA | Nashua Corporation | 9.020 | 8.430 | 8.930 | 1,086,604 | 0.290 |  | 3.36 |
| NSIT | Insight Enterprises Inc. | 11.40 | 10.98 | 11.05 | 136,965 | 0.22 |  | 1.95 |
| NSPH | Nanosphere Inc. | 6.290 | 6.030 | 6.260 | 71,203 | 0.130 |  | 2.12 |
| NSSC | Napco Security Systems Inc. | 1.700 | 1.610 | 1.610 | 2,550 | 0.090 |  | 5.29 |
| NSTC | Ness Technologies Inc. | 5.570 | 5.200 | 5.280 | 186,950 | 0.220 |  | 4.00 |
| NSUR | Insure.com Inc. | 3.120 | 3.120 | 3.120 | 100 | 0.250 |  | 7.42 |
| NSYS | Nortech Systems Incorporated | 3.000 | 3.000 | 3.000 | 1,000 | 0.040 |  | 1.35 |
| NTAP | NetApp Inc. | 30.62 | 30.01 | 30.44 | 5,519,331 | 0.39 |  | 1.27 |
| NTCT | NetScout Systems Inc. | 12.73 | 12.36 | 12.53 | 137,146 | 0.12 |  | 0.95 |
| NTES | Netease.com Inc. | 38.28 | 36.88 | 38.25 | 1,824,094 | 1.05 |  | 2.82 |
| NTGR | NETGEAR Inc. | 21.10 | 20.18 | 20.19 | 475,236 | 0.98 |  | 4.63 |
| NTIC | Northern Technologies International | 7.700 | 7.600 | 7.700 | 17,915 | 0.100 |  | 1.32 |
| NTII | Neurobiological Technologies Inc. | 0.3400 | 0.2000 | 0.2300 | 460,544 | 0.0100 |  | 4.55 |
| NTLS | NTELOS Holdings Corp. | 16.60 | 15.95 | 16.49 | 355,148 | 0.49 |  | 3.06 |
| NTRI | NutriSystem Inc | 22.92 | 22.21 | 22.79 | 396,780 | 0.09 |  | 0.40 |
| NTRS | Northern Trust Corporation | 47.68 | 47.02 | 47.24 | 2,901,785 | 0.43 |  | 0.90 |
| NTSC | National Technical Systems Inc. | 5.400 | 5.140 | 5.380 | 1,990 | 0.000 |  | 0.00 |
| NTWK | NetSol Technologies Inc. | 0.9200 | 0.8800 | 0.9100 | 92,406 | 0.0000 |  | 0.00 |
| NUAN | Nuance Communications Inc. | 13.76 | 13.55 | 13.75 | 1,727,103 | 0.17 |  | 1.25 |
| NUCL | iShares S&P Global Nuclear Index Fund | 40.99 | 40.63 | 40.94 | 3,082 | 0.31 |  | 0.75 |
| NUHC | Nu Horizons Electronics Corp. | 4.070 | 4.030 | 4.030 | 19,707 | 0.050 |  | 1.23 |
| NURO | NeuroMetrix Inc. | 2.580 | 2.480 | 2.510 | 8,494 | 0.040 |  | 1.57 |
| NUTR | Nutraceutical International Corporation | 11.73 | 10.32 | 11.57 | 22,007 | 0.60 |  | 5.47 |
| NUVA | NuVasive Inc. | 37.34 | 33.06 | 33.80 | 5,546,854 | 3.35 |  | 9.02 |
| NVAX | Novavax Inc. | 3.540 | 3.250 | 3.280 | 9,316,595 | 0.490 |  | 13.00 |
| NVDA | NVIDIA Corporation | 12.96 | 12.65 | 12.90 | 10,667,606 | 0.08 |  | 0.62 |
| NVEC | NVE Corporation | 39.53 | 39.00 | 39.53 | 31,054 | 0.15 |  | 0.38 |
| NVGN | Novogen | 2.480 | 2.070 | 2.250 | 24,911 | 0.000 |  | 0.00 |
| NVLS | Novellus Systems Inc. | 21.03 | 20.66 | 20.96 | 4,626,830 | 0.07 |  | 0.34 |
| NVMI | Nova Measuring Instruments Ltd. | 3.150 | 3.030 | 3.140 | 29,815 | 0.010 |  | 0.32 |
| NVSL | Naugatuck Valley Financial Corporation | 5.250 | 5.210 | 5.240 | 1,365 | 0.090 |  | 1.75 |
| NVTL | Novatel Wireless Inc. | 8.940 | 8.650 | 8.860 | 776,235 | 0.030 |  | 0.34 |
| NWFL | Norwood Financial Corp. | 26.90 | 26.48 | 26.53 | 6,158 | 0.06 |  | 0.23 |
| NWK | NETWORK EQUIP TECH | 4.010 | 3.840 | 3.880 | 84,734 | 0.010 |  | 0.26 |
| NWLI | NATL WESTERN LIFE | 176.1 | 170.3 | 176.1 | 3,988 | 4.4 |  | 2.56 |
| NWPX | Northwest Pipe Company | 26.41 | 25.50 | 26.12 | 116,226 | 0.31 |  | 1.20 |
| NWS | NEWS CORP | 14.54 | 14.03 | 14.13 | 4,207,411 | 0.59 |  | 4.01 |
| NWSA | NEWS CORP CL A | 12.31 | 11.89 | 11.98 | 12,250,598 | 0.46 |  | 3.70 |
| NWSB | Northwest Bancorp Inc. | 22.18 | 21.84 | 22.18 | 138,621 | 0.28 |  | 1.28 |
| NXST | Nexstar Broadcasting Group Inc. | 3.300 | 3.010 | 3.050 | 13,350 | 0.050 |  | 1.61 |
| NXTM | NxStage Medical Inc. | 6.680 | 6.260 | 6.500 | 99,876 | 0.200 |  | 2.99 |
| NXXI | Nutrition 21 Inc. | 0.0800 | 0.0800 | 0.0800 | 1,778,201 | 0.0000 |  | 0.00 |
| NYER | Nyer Medical Group Inc. | 1.840 | 1.810 | 1.840 | 22,449 | 0.020 |  | 1.10 |
| NYFX | NYFIX Inc. | 1.670 | 1.650 | 1.650 | 67,668 | 0.010 |  | 0.60 |
| NYMT | New York Mortgage Trust Inc. | 7.100 | 6.950 | 6.950 | 19,022 | 0.050 |  | 0.71 |
| NYMX | Nymox Pharmaceutical Corporation | 5.000 | 4.810 | 4.950 | 2,717 | 0.050 |  | 1.02 |
| NYNY | Empire Resorts Inc. | 3.100 | 2.910 | 3.010 | 117,299 | 0.080 |  | 2.73 |