| Code | Name | High | Low | Close | Volume | Change | |
|---|
| UACL | Universal Truckload Services Inc. | 18.35 | 17.86 | 17.99 | 11,000 | 0.61 |  | 3.28 | 6 |
| UAHC | United American Healthcare Corporation | 1.090 | 1.060 | 1.080 | 700 | 0.010 | | 0.92 | 6 |
| UAUA | UAL Corporation | 20.45 | 19.83 | 20.18 | 8,961,300 | 0.30 |  | 1.51 | 6 |
| UBCP | United Bancorp Inc. | 9.000 | 8.430 | 9.000 | 700 | 0.550 | | 6.51 | 5 |
| UBET | Youbet.com Inc. | 2.940 | 2.820 | 2.900 | 137,100 | 0.030 | | 1.05 | 5 |
| UBFO | United Security Bancshares | 5.220 | 4.900 | 5.220 | 12,300 | 0.420 | | 8.75 | 6 |
| UBNK | United Financial Bancorp Inc. | 15.09 | 13.98 | 14.53 | 14,200 | 0.23 | | 1.56 | 7 |
| UBOH | United Bancshares Inc. | 9.950 | 9.500 | 9.820 | 6,400 | 0.330 | | 3.48 | 7 |
| UBSH | Union Bankshares Corporation | 13.44 | 13.29 | 13.40 | 16,000 | 0.02 | | 0.15 | 6 |
| UBSI | United Bankshares Inc. | 27.41 | 26.29 | 27.40 | 129,800 | 0.57 | | 2.12 | 6 |
| UCBA | United Community Bancorp | 6.510 | 6.510 | 6.510 | 100 | 0.010 | | 0.15 | 5 |
| UCBI | United Community Banks Inc. | 4.840 | 4.610 | 4.790 | 386,600 | 0.020 | | 0.42 | 7 |
| UCFC | United Community Financial Corp. | 1.490 | 1.410 | 1.490 | 11,400 | 0.040 | | 2.76 | 7 |
| UCTT | Ultra Clean Holdings Inc. | 9.150 | 8.460 | 8.950 | 150,800 | 0.110 | | 1.24 | 7 |
| UDRL | Union Drilling Inc. | 6.830 | 6.500 | 6.550 | 37,200 | 0.030 | | 0.46 | 8 |
| UEIC | Universal Electronics Inc. | 23.17 | 22.71 | 22.95 | 84,000 | 0.12 | | 0.53 | 6 |
| UEPS | Net 1 UEPS Technologies Inc. | 18.57 | 18.07 | 18.30 | 522,700 | 0.16 | | 0.87 | 5 |
| UFCS | United Fire & Casualty Company | 17.81 | 17.67 | 17.81 | 27,800 | 0.03 | | 0.17 | 4 |
| UFPI | Universal Forest Products Inc. | 39.53 | 38.69 | 39.23 | 93,700 | 0.03 | | 0.08 | 6 |
| UFPT | UFP Technologies Inc. | 11.22 | 10.74 | 10.74 | 69,700 | 0.50 | | 4.45 | 7 |
| UG | UNITED GUARDIAN INC | 12.25 | 12.11 | 12.11 | 3,200 | 0.14 | | 1.14 | 7 |
| UHAL | Amerco | 55.07 | 54.01 | 55.02 | 29,700 | 0.57 | | 1.05 | 5 |
| ULBI | Ultralife Corporation | 4.400 | 4.310 | 4.400 | 25,700 | 0.040 | | 0.92 | 6 |
| ULCM | Ulticom, Inc. | 9.660 | 9.350 | 9.450 | 11,800 | 0.300 | | 3.08 | 7 |
| ULGX | Urologix Inc. | 1.700 | 1.600 | 1.700 | 17,300 | 0.010 | | 0.59 | 6 |
| ULTA | Ulta Salon Cosmetics & Fragrance Inc. | 22.94 | 21.91 | 22.86 | 507,300 | 0.75 | | 3.39 | 7 |
| ULTI | Ultimate Software Group Inc. (The) | 34.32 | 34.00 | 34.22 | 113,300 | 0.11 | | 0.32 | 7 |
| ULTR | Ultrapetrol (Bahamas) | 6.210 | 5.830 | 6.210 | 123,600 | 0.180 | | 2.99 | 4 |
| UMBF | UMB Financial Corporation | 40.18 | 39.65 | 40.18 | 97,900 | 0.25 | | 0.63 | 7 |
| UMPQ | Umpqua Holdings Corporation | 13.20 | 12.89 | 13.19 | 825,400 | 0.17 | | 1.31 | 6 |
| UMPQP | UMPQUA HLDGS CORP | 13.16 | 12.74 | 13.06 | 214,300 | 0.10 | | 0.77 | 4 |
| UNAM | Unico American Corporation | 9.580 | 9.500 | 9.580 | 2,300 | 0.120 | | 1.24 | 5 |
| UNB | UNION BANKSHARES INC | 18.25 | 18.25 | 18.25 | 300 | 0.25 | | 1.35 | 6 |
| UNCA | Unica Corporation | 9.560 | 9.400 | 9.520 | 37,600 | 0.010 | | 0.11 | 7 |
| UNFI | United Natural Foods Inc. | 29.08 | 28.31 | 29.08 | 180,400 | 0.69 | | 2.43 | 7 |
| UNFY | UNIFY CORP | 3.550 | 3.160 | 3.250 | 5,200 | 0.100 | | 3.17 | 6 |
| UNIS | UNILIFE CORPORATION | 6.930 | 6.580 | 6.800 | 15,700 | 0.010 | | 0.15 | 4 |
| UNTD | United Online Inc. | 7.720 | 7.380 | 7.720 | 759,400 | 0.350 | | 4.75 | 5 |
| UNTY | Unity Bancorp Inc. | 4.750 | 4.510 | 4.550 | 23,300 | 0.250 | | 5.21 | 7 |
| URBN | Urban Outfitters Inc. | 36.91 | 36.09 | 36.42 | 2,245,300 | 0.33 | | 0.90 | 4 |
| URRE | Uranium Resources Inc. | 0.7600 | 0.7000 | 0.7300 | 251,000 | 0.0300 | | 3.95 | 4 |
| USAK | USA Truck Inc. | 15.57 | 15.27 | 15.57 | 8,900 | 0.16 | | 1.04 | 6 |
| USAP | Universal Stainless & Alloy Products | 20.86 | 20.33 | 20.75 | 6,800 | 0.08 | | 0.38 | 6 |
| USAT | USA Technologies Inc. | 1.550 | 1.500 | 1.500 | 12,700 | 0.030 | | 1.96 | 6 |
| USATP | USA Technologies Inc. | 9.500 | 9.000 | 9.010 | 1,200 | 0.150 | | 1.69 | 4 |
| USATW | USA TECHNOLOGIES INC. | 0.2500 | 0.2500 | 0.2500 | 2,400 | 0.0000 |  | 0.00 | 7 |
| USBI | United Security Bancshares Inc. | 14.69 | 14.36 | 14.65 | 3,300 | 0.13 | | 0.88 | 5 |
| USEG | U.S. Energy Corp. | 6.240 | 6.110 | 6.200 | 360,200 | 0.150 | | 2.48 | 4 |
| USHS | U.S. Home Systems Inc. | 2.530 | 2.490 | 2.530 | 11,400 | 0.020 | | 0.80 | 5 |
| USLM | United States Lime & Minerals Inc. | 38.92 | 38.50 | 38.92 | 2,600 | 0.23 | | 0.59 | 6 |
| USMO | USA Mobility Inc. | 12.56 | 12.34 | 12.54 | 105,300 | 0.18 | | 1.46 | 5 |
| USNA | USANA Health Sciences Inc. | 32.69 | 30.85 | 31.96 | 58,400 | 0.22 | | 0.69 | 5 |
| USPH | U.S. Physical Therapy Inc. | 18.59 | 17.87 | 18.47 | 28,300 | 0.45 | | 2.50 | 5 |
| USTR | United Stationers Inc. | 59.00 | 58.51 | 59.00 | 130,200 | 0.08 | | 0.14 | 5 |
| UTEK | Ultratech Inc. | 13.53 | 13.20 | 13.41 | 88,100 | 0.06 | | 0.45 | 5 |
| UTHR | United Therapeutics Corporation | 57.39 | 56.62 | 56.98 | 639,800 | 0.17 | | 0.30 | 7 |
| UTIW | UTi Worldwide Inc. | 17.05 | 16.55 | 16.60 | 375,700 | 0.02 | | 0.12 | 5 |
| UTMD | Utah Medical Products Inc. | 28.51 | 27.50 | 28.50 | 1,500 | 0.10 | | 0.35 | 5 |
| UTSI | UTStarcom Inc. | 2.210 | 2.100 | 2.200 | 838,700 | 0.010 | | 0.46 | 6 |
| UVSP | Univest Corporation of Pennsylvania | 19.38 | 19.08 | 19.31 | 6,100 | 0.15 | | 0.77 | 6 |
| UWBK | United Western Bancorp Inc. | 1.900 | 1.580 | 1.700 | 4,234,100 | 0.580 | | 25.44 | 5 |