| Code | Name | High | Low | Close | Volume | Change |
| IAAC | International Assets Holding Corporation | 17.70 | 17.38 | 17.52 | 64,444 | 0.02 |  | 0.11 |
| IACI | IAC/InterActiveCorp | 19.67 | 19.37 | 19.41 | 1,804,752 | 0.20 |  | 1.02 |
| IART | Integra LifeSciences Holdings | 32.01 | 31.51 | 31.99 | 87,834 | 0.41 |  | 1.30 |
| IBAS | iBasis Inc. | 2.330 | 2.240 | 2.260 | 306,815 | 0.020 |  | 0.88 |
| IBB | ISHARE NQ BIOTCH INX | 77.99 | 77.18 | 77.61 | 670,902 | 0.25 |  | 0.32 |
| IBCA | Intervest Bancshares Corp. | 3.220 | 3.060 | 3.150 | 3,004 | 0.060 |  | 1.94 |
| IBCP | Independent Bank Corporation | 0.8100 | 0.7500 | 0.7500 | 83,879 | 0.0100 |  | 1.32 |
| IBCPO | Independent Bank Corporation | 8.200 | 8.000 | 8.100 | 42,976 | 0.050 |  | 0.62 |
| IBKC | IBERIABANK Corporation | 55.16 | 54.01 | 54.55 | 197,979 | 0.10 |  | 0.18 |
| IBKR | Interactive Brokers Group Inc. | 17.06 | 16.87 | 16.88 | 163,388 | 0.02 |  | 0.12 |
| IBNK | Integra Bank Corporation | 0.8100 | 0.8000 | 0.8000 | 38,708 | 0.0000 |  | 0.00 |
| IBOC | International Bancshares Corporation | 16.33 | 16.04 | 16.20 | 447,609 | 0.05 |  | 0.31 |
| ICAD | icad inc. | 1.550 | 1.460 | 1.460 | 82,654 | 0.020 |  | 1.35 |
| ICCC | ImmuCell Corporation | 3.970 | 3.750 | 3.970 | 1,600 | 0.000 |  | 0.00 |
| ICFI | ICF International Inc. | 28.15 | 27.58 | 27.94 | 23,113 | 0.16 |  | 0.57 |
| ICGE | Internet Capital Group Inc. | 6.660 | 6.470 | 6.640 | 137,661 | 0.020 |  | 0.30 |
| ICGN | Icagen Inc. | 0.4900 | 0.4800 | 0.4800 | 44,000 | 0.0100 |  | 2.04 |
| ICLK | INTERCLICK INC | 4.980 | 4.610 | 4.770 | 121,614 | 0.020 |  | 0.42 |
| ICLN | iShares S&P Global Clean Energy Index | 21.56 | 21.25 | 21.52 | 10,315 | 0.12 |  | 0.55 |
| ICLR | ICON plc | 23.05 | 22.24 | 22.99 | 169,054 | 0.28 |  | 1.23 |
| ICOC | ICO Inc. | 4.140 | 3.750 | 3.980 | 158,003 | 0.080 |  | 2.05 |
| ICOG | ICO Global Communications Holdings DE | 0.8300 | 0.8000 | 0.8300 | 186,803 | 0.0000 |  | 0.00 |
| ICON | Iconix Brand Group Inc. | 11.82 | 11.61 | 11.76 | 479,979 | 0.01 |  | 0.08 |
| ICOP | ICOP Digital Inc. | 0.5100 | 0.4600 | 0.4900 | 226,014 | 0.0200 |  | 3.92 |
| ICOPW | ICOP Digital Inc. | 0.0300 | 0.0100 | 0.0300 | 16,790 | 0.0100 |  | 25.00 |
| ICOPZ | ICOP DIGITAL INC. | 0.1200 | 0.0600 | 0.0600 | 120,905 | 0.0200 |  | 22.22 |
| ICTG | ICT Group Inc. | 16.34 | 16.18 | 16.21 | 117,714 | 0.09 |  | 0.55 |
| ICUI | ICU Medical Inc. | 34.03 | 33.32 | 33.58 | 133,800 | 0.37 |  | 1.09 |
| ICXT | ICx Technologies Inc. | 5.240 | 4.820 | 5.070 | 21,399 | 0.110 |  | 2.22 |
| IDCC | InterDigital Inc. | 23.58 | 23.09 | 23.56 | 679,818 | 0.19 |  | 0.81 |
| IDIX | Idenix Pharmaceuticals Inc. | 1.870 | 1.810 | 1.840 | 90,401 | 0.010 |  | 0.55 |
| IDRA | Idera Pharmaceuticals Inc. | 5.060 | 4.620 | 4.830 | 46,604 | 0.140 |  | 2.99 |
| IDSA | Industrial Services of America Inc. | 10.050 | 10.000 | 10.000 | 5,800 | 0.040 |  | 0.40 |
| IDSY | I.D. Systems Inc. | 3.340 | 3.170 | 3.200 | 9,023 | 0.010 |  | 0.31 |
| IDTI | Integrated Device Technology Inc. | 5.990 | 5.860 | 5.970 | 1,336,984 | 0.030 |  | 0.51 |
| IDXX | IDEXX Laboratories Inc. | 51.17 | 50.31 | 50.73 | 135,711 | 0.77 |  | 1.50 |
| IESC | Integrated Electrical Services Inc. | 7.090 | 6.750 | 6.890 | 14,001 | 0.040 |  | 0.58 |
| IFAS | iShares FTSE EPRA/NAREIT Asia Index Fund | 29.01 | 27.85 | 28.97 | 18,318 | 0.00 |  | 0.00 |
| IFEU | iShares FTSE EPRA/NAREIT Europe Index | 30.54 | 30.47 | 30.51 | 715 | 1.01 |  | 3.20 |
| IFGL | iShares FTSE EPRA/NAREIT Global Real | 29.80 | 29.53 | 29.76 | 28,711 | 0.21 |  | 0.70 |
| IFLG | InfoLogix Inc. | 0.1400 | 0.1300 | 0.1400 | 35,161 | 0.0200 |  | 12.50 |
| IFLO | I-Flow Corporation | 12.65 | 12.64 | 12.64 | 156,863 | 0.00 |  | 0.00 |
| IFNA | iShares FTSE EPRA/NAREIT North America | 30.95 | 30.94 | 30.94 | 1,611 | 0.33 |  | 1.08 |
| IFON | InfoSonics Corp | 1.060 | 0.990 | 1.010 | 31,476 | 0.020 |  | 2.02 |
| IFSB | Independence Federal Savings Bank | 2.140 | 1.750 | 2.000 | 6,577 | 0.120 |  | 6.38 |
| IFSIA | Interface Inc. | 7.650 | 7.250 | 7.460 | 128,914 | 0.030 |  | 0.40 |
| IFSM | iShares FTSE Developed Small Cap | 33.31 | 33.19 | 33.27 | 1,427 | 0.08 |  | 0.24 |
| IGLD | Internet Gold Golden Lines Ltd. | 14.90 | 14.37 | 14.88 | 16,126 | 0.13 |  | 0.88 |
| IGOI | iGo Inc | 1.230 | 1.190 | 1.220 | 90,621 | 0.020 |  | 1.61 |
| IGOV | ISHARES TRUST | 107.5 | 106.9 | 107.5 | 8,640 | 0.2 |  | 0.16 |
| IGTE | iGATE Corporation | 9.840 | 9.500 | 9.720 | 74,467 | 0.100 |  | 1.04 |
| III | Information Services Group Inc. | 3.350 | 3.130 | 3.350 | 79,684 | 0.220 |  | 7.03 |
| IIIIW | Information Services Group Inc. | 0.0600 | 0.0600 | 0.0600 | 14,000 | 0.0000 |  | 0.00 |
| IIIN | Insteel Industries Inc. | 11.82 | 10.92 | 11.75 | 81,751 | 0.36 |  | 3.16 |
| IIJI | Internet Initiative Japan Inc. | 5.140 | 4.940 | 5.020 | 22,087 | 0.230 |  | 4.80 |
| IILG | INTERVAL LEISURE WI | 11.62 | 11.28 | 11.50 | 98,343 | 0.04 |  | 0.35 |
| IIN | IntriCon Corporation | 3.390 | 3.260 | 3.390 | 200 | 0.090 |  | 2.73 |
| IIVI | II-VI Incorporated | 28.67 | 28.32 | 28.63 | 101,920 | 0.04 |  | 0.14 |
| IKAN | Ikanos Communications Inc. | 1.770 | 1.680 | 1.710 | 56,937 | 0.080 |  | 4.47 |
| IKNX | Ikonics Corporation | 6.920 | 6.910 | 6.910 | 300 | 0.450 |  | 6.97 |
| ILMN | Illumina Inc. | 28.28 | 26.66 | 26.81 | 5,036,281 | 1.40 |  | 4.96 |
| IMAX | Imax Corporation | 10.51 | 10.10 | 10.48 | 453,086 | 0.36 |  | 3.56 |
| IMGN | ImmunoGen Inc. | 8.490 | 8.020 | 8.350 | 562,242 | 0.310 |  | 3.86 |
| IMKTA | Ingles Markets Incorporated | 16.01 | 15.57 | 15.72 | 18,255 | 0.00 |  | 0.00 |
| IMMR | Immersion Corporation | 4.030 | 3.910 | 4.020 | 119,265 | 0.050 |  | 1.26 |
| IMMU | Immunomedics Inc. | 3.620 | 3.400 | 3.550 | 889,146 | 0.100 |  | 2.90 |
| IMOS | ChipMOS TECHNOLOGIES (Bermuda) LTD. | 0.7400 | 0.6800 | 0.7300 | 23,400 | 0.0200 |  | 2.82 |
| INAP | Internap Network Services Corporation | 3.870 | 3.670 | 3.780 | 219,623 | 0.080 |  | 2.16 |
| INCB | Indiana Community Bancorp | 8.250 | 8.250 | 8.250 | 1,000 | 0.050 |  | 0.61 |
| INCY | Incyte Corporation | 7.800 | 7.410 | 7.550 | 2,522,698 | 0.170 |  | 2.20 |
| INDB | Independent Bank Corp. | 20.84 | 20.23 | 20.82 | 80,020 | 0.49 |  | 2.41 |
| INDM | United America Indemnity Ltd. | 7.070 | 6.760 | 7.010 | 56,935 | 0.210 |  | 3.09 |
| INET | Internet Brands Inc. | 7.470 | 7.260 | 7.390 | 44,989 | 0.070 |  | 0.96 |
| INFA | Informatica Corporation | 22.57 | 22.24 | 22.44 | 898,104 | 0.08 |  | 0.36 |
| INFI | Infinity Pharmaceuticals Inc. | 6.270 | 5.880 | 5.950 | 28,094 | 0.300 |  | 4.80 |
| INFN | Infinera Corporation | 8.150 | 7.830 | 7.930 | 433,476 | 0.130 |  | 1.61 |
| INFY | Infosys Technologies | 51.93 | 51.00 | 51.23 | 1,375,048 | 0.28 |  | 0.55 |
| INHX | Inhibitex Inc. | 1.0000 | 0.9800 | 0.9900 | 47,900 | 0.0100 |  | 1.03 |
| ININ | Interactive Intelligence Inc. | 17.90 | 17.26 | 17.80 | 101,371 | 0.20 |  | 1.14 |
| INMD | IntegraMed America Inc. | 8.060 | 7.810 | 7.850 | 3,527 | 0.080 |  | 1.03 |
| INOC | Innotrac Corporation | 1.940 | 1.810 | 1.830 | 2,370 | 0.030 |  | 1.67 |
| INOD | Innodata Isogen Inc | 5.590 | 5.250 | 5.260 | 124,820 | 0.290 |  | 5.23 |
| INPH | Interphase Corporation | 2.500 | 2.450 | 2.450 | 4,230 | 0.070 |  | 2.78 |
| INSM | Insmed Inc. | 0.8000 | 0.7700 | 0.7900 | 375,780 | 0.0000 |  | 0.00 |
| INSP | InfoSpace Inc. | 8.290 | 8.160 | 8.270 | 87,449 | 0.060 |  | 0.73 |
| INSU | Insituform Technologies Inc. | 21.63 | 21.11 | 21.37 | 227,975 | 0.12 |  | 0.56 |
| INSW | InsWeb Corporation | 3.310 | 3.300 | 3.300 | 331 | 0.000 |  | 0.00 |
| INTC | Intel Corporation | 19.31 | 19.08 | 19.24 | 49,127,234 | 0.06 |  | 0.31 |
| INTG | Intergroup Corporation (The) | 10.50 | 10.50 | 10.50 | 500 | 0.10 |  | 0.96 |
| INTT | inTest Corporation | 0.9800 | 0.8500 | 0.9700 | 23,642 | 0.0100 |  | 1.04 |
| INTU | Intuit Inc. | 29.99 | 29.27 | 29.66 | 4,514,614 | 0.61 |  | 2.02 |
| INTX | Intersections Inc. | 4.850 | 4.380 | 4.640 | 12,500 | 0.050 |  | 1.07 |
| INWK | InnerWorkings Inc. | 5.280 | 5.000 | 5.030 | 70,235 | 0.180 |  | 3.45 |
| INXI | INX Inc. | 6.870 | 6.540 | 6.800 | 14,044 | 0.070 |  | 1.04 |
| IOSP | Innospec Inc. | 11.17 | 10.52 | 10.70 | 66,743 | 0.25 |  | 2.28 |
| IPAR | Inter Parfums Inc. | 11.92 | 11.27 | 11.42 | 41,209 | 0.23 |  | 1.97 |
| IPAS | iPass Inc. | 1.220 | 1.180 | 1.220 | 188,010 | 0.030 |  | 2.52 |
| IPCC | Infinity Property and Casualty | 40.52 | 39.42 | 39.88 | 34,957 | 0.07 |  | 0.18 |
| IPCI | INTELLIPHARMACEUTICS INTERNATIO- | 2.200 | 2.160 | 2.200 | 3,192 | 0.020 |  | 0.90 |
| IPCM | IPC The Hospitalist Company Inc. | 32.28 | 31.67 | 31.86 | 68,577 | 0.29 |  | 0.90 |
| IPCR | IPC Holdings | 31.83 | 30.71 | 30.74 | 7,679,670 | 0.61 |  | 1.95 |
| IPCS | iPCS Inc. | 24.00 | 23.96 | 24.00 | 322,444 | 0.05 |  | 0.21 |
| IPGP | IPG Photonics Corporation | 14.88 | 14.34 | 14.60 | 98,110 | 0.18 |  | 1.22 |
| IPHS | Innophos Holdings Inc. | 24.90 | 24.00 | 24.23 | 202,473 | 0.75 |  | 3.00 |
| IPII | Imperial Industries Inc. | 0.9900 | 0.9300 | 0.9300 | 7,539 | 0.0000 |  | 0.00 |
| IPSU | Imperial Sugar Company | 14.73 | 14.12 | 14.71 | 41,509 | 0.17 |  | 1.17 |
| IPXL | Impax Laboratories, Inc. | 11.57 | 11.03 | 11.30 | 335,162 | 0.07 |  | 0.62 |
| IRBT | iRobot Corporation | 14.75 | 14.05 | 14.23 | 147,880 | 0.12 |  | 0.84 |
| IRDM | GHL ACQUISITION CORP | 8.790 | 8.530 | 8.530 | 209,256 | 0.200 |  | 2.29 |
| IRDMU | GHL ACQUISITION CP | 14.00 | 14.00 | 14.00 | 100 | 2.60 |  | 22.81 |
| IRDMW | GHL ACQUISITION CORP | 3.410 | 3.160 | 3.390 | 14,454 | 0.050 |  | 1.45 |
| IRDMZ | IRIDIUM COMMUNICATIONS INC | 2.000 | 1.950 | 1.950 | 175,000 | 0.060 |  | 3.17 |
| IRET | Investors Real Estate Trust | 8.610 | 8.440 | 8.590 | 233,766 | 0.130 |  | 1.54 |
| IRETP | Investors Real Estate Trust | 24.60 | 24.60 | 24.60 | 250 | 0.05 |  | 0.20 |
| IRIS | IRIS International Inc. | 11.30 | 10.83 | 10.95 | 38,619 | 0.05 |  | 0.45 |
| IRIX | IRIDEX Corporation | 2.890 | 2.730 | 2.790 | 4,580 | 0.010 |  | 0.36 |
| IRSN | Irvine Sensors Corporation | 0.4400 | 0.3700 | 0.4400 | 4,800 | 0.0400 |  | 10.00 |
| ISBC | Investors Bancorp Inc. | 10.91 | 10.65 | 10.77 | 94,225 | 0.03 |  | 0.28 |
| ISCA | International Speedway Corporation | 26.92 | 26.43 | 26.68 | 113,755 | 0.16 |  | 0.60 |
| ISHG | ISHARES TRUST | 107.9 | 107.5 | 107.7 | 8,145 | 0.4 |  | 0.41 |
| ISIG | Insignia Systems Inc. | 4.730 | 4.340 | 4.350 | 17,107 | 0.290 |  | 6.25 |
| ISIL | Intersil Corporation | 12.78 | 12.57 | 12.68 | 2,691,495 | 0.18 |  | 1.40 |
| ISIS | Isis Pharmaceuticals Inc. | 11.24 | 10.90 | 11.23 | 1,435,173 | 0.20 |  | 1.81 |
| ISLE | Isle of Capri Casinos Inc. | 8.750 | 8.210 | 8.720 | 147,305 | 0.420 |  | 5.06 |
| ISLN | Isilon Systems Inc. | 5.670 | 5.480 | 5.530 | 156,563 | 0.010 |  | 0.18 |
| ISNS | Image Sensing Systems Inc. | 13.90 | 13.89 | 13.89 | 1,200 | 0.20 |  | 1.42 |
| ISPH | Inspire Pharmaceuticals Inc. | 5.280 | 4.960 | 5.040 | 401,960 | 0.020 |  | 0.40 |
| ISRG | Intuitive Surgical Inc. | 281.7 | 273.2 | 276.4 | 791,685 | 2.2 |  | 0.80 |
| ISRL | Isramco Inc. | 85.76 | 81.31 | 84.95 | 1,134 | 1.25 |  | 1.49 |
| ISSC | Innovative Solutions and Support Inc. | 4.690 | 4.550 | 4.550 | 9,360 | 0.090 |  | 1.94 |
| ISSI | Integrated Silicon Solution Inc. | 4.860 | 4.520 | 4.790 | 180,901 | 0.230 |  | 5.04 |
| ISTA | ISTA Pharmaceuticals Inc. | 4.200 | 3.830 | 4.190 | 193,348 | 0.100 |  | 2.44 |
| ISYS | Integral Systems Inc. | 8.660 | 8.500 | 8.600 | 45,081 | 0.050 |  | 0.58 |
| ITIC | Investors Title Company | 30.60 | 30.60 | 30.60 | 100 | 0.10 |  | 0.33 |
| ITLN | Intellon Corporation | 7.340 | 7.220 | 7.280 | 83,294 | 0.020 |  | 0.27 |
| ITMN | InterMune Inc. | 11.01 | 10.65 | 10.79 | 488,852 | 0.09 |  | 0.83 |
| ITRI | Itron Inc. | 62.43 | 61.55 | 62.19 | 303,947 | 0.06 |  | 0.10 |
| ITRN | Ituran Location and Control Ltd. | 12.85 | 12.58 | 12.79 | 6,239 | 0.08 |  | 0.62 |
| ITWO | i2 Technologies Inc. | 18.54 | 18.25 | 18.31 | 314,444 | 0.07 |  | 0.38 |
| IUSA | infoGROUP Inc. | 8.830 | 8.470 | 8.810 | 164,809 | 0.280 |  | 3.28 |
| IVAC | Intevac Inc. | 12.52 | 12.01 | 12.16 | 90,899 | 0.35 |  | 2.80 |
| IVAN | Ivanhoe Energy Inc. | 2.530 | 2.470 | 2.490 | 325,000 | 0.040 |  | 1.58 |
| IXYS | IXYS Corporation | 6.700 | 6.290 | 6.670 | 109,879 | 0.160 |  | 2.46 |