| Code | Name | High | Low | Close | Volume | Change | |
|---|
| UACL | Universal Truckload Services Inc. | 18.97 | 18.82 | 18.85 | 2,400 | 0.15 |  | 0.80 | 5 |
| UAHC | United American Healthcare Corporation | 1.080 | 1.050 | 1.070 | 64,500 | 0.050 |  | 4.46 | 7 |
| UAUA | UAL Corporation | 19.28 | 18.33 | 18.98 | 11,734,400 | 0.82 | | 4.52 | 6 |
| UBCP | United Bancorp Inc. | 8.430 | 8.410 | 8.430 | 600 | 0.020 | | 0.24 | 5 |
| UBET | Youbet.com Inc. | 2.950 | 2.900 | 2.950 | 43,900 | 0.020 | | 0.68 | 5 |
| UBFO | United Security Bancshares | 5.250 | 4.940 | 5.230 | 8,800 | 0.450 | | 9.41 | 6 |
| UBNK | United Financial Bancorp Inc. | 15.00 | 14.23 | 15.00 | 35,700 | 0.70 | | 4.90 | 7 |
| UBOH | United Bancshares Inc. | 9.350 | 9.310 | 9.320 | 2,900 | 0.020 | | 0.21 | 6 |
| UBSH | Union Bankshares Corporation | 13.40 | 12.96 | 13.14 | 20,800 | 0.24 | | 1.79 | 6 |
| UBSI | United Bankshares Inc. | 26.49 | 26.09 | 26.42 | 137,100 | 0.12 | | 0.46 | 6 |
| UCBA | United Community Bancorp | 6.500 | 6.400 | 6.470 | 3,700 | 0.230 | | 3.43 | 6 |
| UCBI | United Community Banks Inc. | 4.600 | 4.400 | 4.520 | 719,200 | 0.110 | | 2.49 | 7 |
| UCFC | United Community Financial Corp. | 1.540 | 1.510 | 1.540 | 6,400 | 0.020 | | 1.32 | 7 |
| UCTT | Ultra Clean Holdings Inc. | 9.240 | 9.020 | 9.200 | 96,200 | 0.060 | | 0.66 | 7 |
| UDRL | Union Drilling Inc. | 7.000 | 6.660 | 6.900 | 100,600 | 0.150 | | 2.13 | 8 |
| UEIC | Universal Electronics Inc. | 23.17 | 22.79 | 23.03 | 102,200 | 0.10 | | 0.44 | 7 |
| UEPS | Net 1 UEPS Technologies Inc. | 19.32 | 19.06 | 19.14 | 322,200 | 0.09 | | 0.47 | 5 |
| UFCS | United Fire & Casualty Company | 18.41 | 18.01 | 18.10 | 46,800 | 0.03 | | 0.17 | 4 |
| UFPI | Universal Forest Products Inc. | 40.00 | 38.38 | 39.29 | 201,800 | 0.80 | | 2.08 | 5 |
| UFPT | UFP Technologies Inc. | 10.93 | 10.51 | 10.86 | 80,200 | 0.21 | | 1.97 | 7 |
| UG | UNITED GUARDIAN INC | 12.15 | 11.75 | 12.10 | 9,700 | 0.30 | | 2.54 | 7 |
| UHAL | Amerco | 53.59 | 52.70 | 53.29 | 24,500 | 0.03 | | 0.06 | 5 |
| ULBI | Ultralife Corporation | 4.500 | 4.340 | 4.470 | 98,500 | 0.110 | | 2.52 | 6 |
| ULCM | Ulticom, Inc. | 9.850 | 9.670 | 9.850 | 1,400 | 0.090 | | 0.91 | 7 |
| ULGX | Urologix Inc. | 1.650 | 1.590 | 1.620 | 4,300 | 0.030 | | 1.89 | 6 |
| ULTA | Ulta Salon Cosmetics & Fragrance Inc. | 21.62 | 21.08 | 21.47 | 250,500 | 0.30 | | 1.42 | 6 |
| ULTI | Ultimate Software Group Inc. (The) | 33.07 | 32.46 | 32.81 | 199,300 | 0.15 | | 0.46 | 7 |
| ULTR | Ultrapetrol (Bahamas) | 6.150 | 5.790 | 6.120 | 125,300 | 0.280 | | 4.79 | 4 |
| UMBF | UMB Financial Corporation | 40.82 | 39.95 | 40.23 | 133,100 | 0.05 | | 0.12 | 7 |
| UMPQ | Umpqua Holdings Corporation | 13.24 | 12.90 | 13.00 | 908,500 | 0.02 | | 0.15 | 6 |
| UMPQP | UMPQUA HLDGS CORP | 13.10 | 12.77 | 12.91 | 45,500 | 0.03 | | 0.23 | 4 |
| UNAM | Unico American Corporation | 9.570 | 9.510 | 9.570 | 600 | 0.040 | | 0.42 | 5 |
| UNB | UNION BANKSHARES INC | 19.82 | 17.80 | 17.99 | 600 | 0.29 | | 1.64 | 6 |
| UNCA | Unica Corporation | 9.400 | 8.990 | 9.060 | 43,700 | 0.050 | | 0.55 | 7 |
| UNFI | United Natural Foods Inc. | 28.92 | 28.53 | 28.75 | 186,900 | 0.10 | | 0.35 | 7 |
| UNFY | UNIFY CORP | 3.230 | 3.230 | 3.230 | 500 | 0.080 | | 2.42 | 6 |
| UNIS | UNILIFE CORPORATION | 7.200 | 7.000 | 7.090 | 24,200 | 0.020 | | 0.28 | 4 |
| UNTD | United Online Inc. | 7.340 | 7.140 | 7.310 | 823,400 | 0.100 | | 1.39 | 6 |
| UNTY | Unity Bancorp Inc. | 4.920 | 4.480 | 4.790 | 25,600 | 0.240 | | 5.27 | 7 |
| URBN | Urban Outfitters Inc. | 36.57 | 35.78 | 36.31 | 3,872,600 | 0.47 | | 1.31 | 5 |
| URRE | Uranium Resources Inc. | 0.8900 | 0.8000 | 0.8000 | 975,700 | 0.0300 | | 3.61 | 5 |
| USAK | USA Truck Inc. | 15.18 | 14.66 | 15.10 | 17,000 | 0.14 | | 0.94 | 6 |
| USAP | Universal Stainless & Alloy Products | 20.40 | 19.20 | 20.16 | 36,600 | 0.01 | | 0.05 | 7 |
| USAT | USA Technologies Inc. | 1.570 | 1.470 | 1.490 | 108,200 | 0.080 | | 5.10 | 7 |
| USATP | USA Technologies Inc. | 10.050 | 8.860 | 8.860 | 4,800 | 1.940 | | 17.96 | 5 |
| USATW | USA TECHNOLOGIES INC. | 0.2500 | 0.2500 | 0.2500 | 2,400 | 0.0000 |  | 0.00 | 7 |
| USBI | United Security Bancshares Inc. | 17.15 | 16.37 | 17.14 | 4,900 | 0.69 | | 4.19 | 5 |
| USEG | U.S. Energy Corp. | 6.420 | 6.260 | 6.390 | 215,300 | 0.160 | | 2.57 | 4 |
| USHS | U.S. Home Systems Inc. | 2.460 | 2.420 | 2.450 | 9,000 | 0.000 | | 0.00 | 5 |
| USLM | United States Lime & Minerals Inc. | 40.20 | 38.70 | 39.78 | 3,400 | 0.48 | | 1.19 | 6 |
| USMO | USA Mobility Inc. | 12.77 | 12.56 | 12.76 | 165,300 | 0.20 | | 1.59 | 5 |
| USNA | USANA Health Sciences Inc. | 31.57 | 29.98 | 31.16 | 81,300 | 0.13 | | 0.42 | 5 |
| USPH | U.S. Physical Therapy Inc. | 18.32 | 17.89 | 18.27 | 22,900 | 0.32 | | 1.78 | 5 |
| USTR | United Stationers Inc. | 59.58 | 57.89 | 58.47 | 70,400 | 0.30 | | 0.52 | 5 |
| UTEK | Ultratech Inc. | 13.66 | 13.24 | 13.30 | 120,100 | 0.12 | | 0.89 | 5 |
| UTHR | United Therapeutics Corporation | 59.88 | 59.10 | 59.67 | 399,300 | 0.57 | | 0.96 | 6 |
| UTIW | UTi Worldwide Inc. | 16.43 | 16.10 | 16.28 | 479,300 | 0.08 | | 0.49 | 5 |
| UTMD | Utah Medical Products Inc. | 29.20 | 28.40 | 29.08 | 2,200 | 0.06 | | 0.21 | 5 |
| UTSI | UTStarcom Inc. | 2.200 | 2.130 | 2.150 | 265,800 | 0.030 | | 1.38 | 6 |
| UVSP | Univest Corporation of Pennsylvania | 19.23 | 18.75 | 19.18 | 17,500 | 0.15 | | 0.79 | 6 |
| UWBK | United Western Bancorp Inc. | 2.710 | 2.450 | 2.450 | 157,600 | 0.060 | | 2.39 | 5 |