| Code | Name | High | Low | Close | Volume | Change |
|---|
| UACL | Universal Truckload Services Inc. | 16.07 | 15.61 | 16.07 | 7,287 | 0.43 |  | 2.75 |
| UAHC | United American Healthcare Corporation | 0.9500 | 0.9000 | 0.9200 | 30,100 | 0.0000 |  | 0.00 |
| UAUA | UAL Corporation | 7.210 | 6.940 | 7.020 | 6,943,777 | 0.050 |  | 0.71 |
| UBCP | United Bancorp Inc. | 7.660 | 7.560 | 7.660 | 3,037 | 0.020 | | 0.26 |
| UBET | Youbet.com Inc. | 2.950 | 2.800 | 2.900 | 723,431 | 0.100 | | 3.57 |
| UBFO | United Security Bancshares | 5.500 | 5.010 | 5.130 | 5,451 | 0.160 | | 3.02 |
| UBNK | United Financial Bancorp Inc. | 12.85 | 12.75 | 12.83 | 30,984 | 0.03 | | 0.23 |
| UBOH | United Bancshares Inc. | 9.500 | 9.090 | 9.240 | 8,242 | 0.500 | | 5.13 |
| UBSH | Union Bankshares Corporation | 11.65 | 11.32 | 11.55 | 37,665 | 0.13 | | 1.14 |
| UBSI | United Bankshares Inc. | 16.76 | 16.39 | 16.69 | 184,973 | 0.17 | | 1.03 |
| UCBA | United Community Bancorp | 6.550 | 6.400 | 6.550 | 550 | 0.170 | | 2.53 |
| UCBH | UCBH Holdings Inc. | 0.8600 | 0.8200 | 0.8400 | 1,256,539 | 0.0200 | | 2.33 |
| UCBI | United Community Banks Inc. | 3.970 | 3.790 | 3.940 | 537,532 | 0.120 | | 3.14 |
| UCFC | United Community Financial Corp. | 1.510 | 1.380 | 1.450 | 31,695 | 0.060 | | 3.97 |
| UCTT | Ultra Clean Holdings Inc. | 6.110 | 5.820 | 6.090 | 12,814 | 0.020 | | 0.33 |
| UDRL | Union Drilling Inc. | 6.500 | 6.000 | 6.100 | 36,492 | 0.230 | | 3.63 |
| UEIC | Universal Electronics Inc. | 22.48 | 21.87 | 22.19 | 26,773 | 0.09 | | 0.40 |
| UEPS | Net 1 UEPS Technologies Inc. | 19.06 | 18.56 | 18.92 | 322,001 | 0.10 | | 0.53 |
| UFCS | United Fire & Casualty Company | 17.23 | 16.91 | 17.21 | 62,256 | 0.21 | | 1.24 |
| UFPI | Universal Forest Products Inc. | 36.62 | 35.86 | 36.09 | 136,827 | 0.12 | | 0.33 |
| UFPT | UFP Technologies Inc. | 6.660 | 6.480 | 6.580 | 20,450 | 0.050 | | 0.77 |
| UG | UNITED GUARDIAN INC | 11.06 | 10.86 | 10.90 | 8,104 | 0.10 | | 0.91 |
| UHAL | Amerco | 50.84 | 48.86 | 50.45 | 19,956 | 0.80 | | 1.61 |
| ULBI | Ultralife Corporation | 4.310 | 3.960 | 4.100 | 457,052 | 0.120 | | 3.02 |
| ULGX | Urologix Inc. | 0.9900 | 0.9600 | 0.9800 | 5,500 | 0.0300 | | 2.97 |
| ULTA | Ulta Salon Cosmetics & Fragrance Inc. | 17.06 | 16.44 | 16.81 | 199,154 | 0.05 | | 0.30 |
| ULTI | Ultimate Software Group Inc. (The) | 28.49 | 27.93 | 27.98 | 109,535 | 0.27 | | 0.96 |
| ULTR | Ultrapetrol (Bahamas) | 4.930 | 4.830 | 4.910 | 53,689 | 0.080 | | 1.66 |
| UMBF | UMB Financial Corporation | 39.81 | 38.99 | 39.48 | 85,371 | 0.07 | | 0.18 |
| UMPQ | Umpqua Holdings Corporation | 11.10 | 10.59 | 10.81 | 570,141 | 0.10 | | 0.93 |
| UNAM | Unico American Corporation | 9.500 | 9.480 | 9.500 | 600 | 0.100 | | 1.06 |
| UNB | UNION BANKSHARES INC | 17.39 | 16.03 | 17.16 | 1,166 | 0.48 | | 2.88 |
| UNCA | Unica Corporation | 6.970 | 6.600 | 6.730 | 21,289 | 0.170 | | 2.59 |
| UNFI | United Natural Foods Inc. | 25.36 | 24.79 | 25.03 | 187,528 | 0.05 | | 0.20 |
| UNFY | UNIFY CORP | 2.760 | 2.760 | 2.760 | 100 | 0.070 | | 2.47 |
| UNTD | United Online Inc. | 7.300 | 6.830 | 7.270 | 1,504,483 | 0.240 | | 3.41 |
| UNTY | Unity Bancorp Inc. | 4.080 | 3.960 | 4.080 | 3,529 | 0.120 | | 3.03 |
| URBN | Urban Outfitters Inc. | 32.76 | 32.01 | 32.18 | 2,358,048 | 0.08 | | 0.25 |
| URRE | Uranium Resources Inc. | 1.100 | 1.010 | 1.010 | 228,162 | 0.030 | | 2.88 |
| USAK | USA Truck Inc. | 11.39 | 11.05 | 11.09 | 15,462 | 0.06 | | 0.54 |
| USAP | Universal Stainless & Alloy Products | 16.42 | 15.77 | 16.06 | 115,062 | 0.18 | | 1.13 |
| USAT | USA Technologies Inc. | 1.730 | 1.570 | 1.600 | 42,635 | 0.100 | | 5.88 |
| USATP | USA Technologies Inc. | 9.000 | 9.000 | 9.000 | 200 | 0.450 | | 4.76 |
| USATW | USA TECHNOLOGIES INC. | 0.4000 | 0.4000 | 0.4000 | 1,100 | 0.0200 | | 4.76 |
| USBI | United Security Bancshares Inc. | 16.94 | 15.89 | 15.98 | 8,078 | 0.48 | | 2.92 |
| USEG | U.S. Energy Corp. | 6.110 | 5.950 | 6.040 | 251,305 | 0.070 | | 1.15 |
| USHS | U.S. Home Systems Inc. | 2.150 | 1.950 | 2.050 | 23,236 | 0.020 | | 0.99 |
| USLM | United States Lime & Minerals Inc. | 34.70 | 33.93 | 34.33 | 4,348 | 0.13 | | 0.38 |
| USMO | USA Mobility Inc. | 10.42 | 10.17 | 10.37 | 120,823 | 0.16 | | 1.57 |
| USNA | USANA Health Sciences Inc. | 31.66 | 31.15 | 31.66 | 20,269 | 0.26 | | 0.83 |
| USPH | U.S. Physical Therapy Inc. | 16.30 | 15.12 | 16.02 | 43,346 | 0.75 | | 4.91 |
| USTR | United Stationers Inc. | 53.08 | 51.22 | 51.68 | 79,344 | 0.62 | | 1.19 |
| UTEK | Ultratech Inc. | 14.00 | 13.59 | 13.71 | 100,572 | 0.14 | | 1.01 |
| UTHR | United Therapeutics Corporation | 45.08 | 44.25 | 44.91 | 627,074 | 0.10 | | 0.22 |
| UTIW | UTi Worldwide Inc. | 14.18 | 13.97 | 14.14 | 322,329 | 0.07 | | 0.50 |
| UTMD | Utah Medical Products Inc. | 29.29 | 28.82 | 29.20 | 5,125 | 0.21 | | 0.72 |
| UTSI | UTStarcom Inc. | 2.000 | 1.870 | 1.900 | 531,391 | 0.110 | | 5.47 |
| UVSP | Univest Corporation of Pennsylvania | 16.31 | 15.73 | 15.95 | 56,898 | 0.03 | | 0.19 |
| UWBK | United Western Bancorp Inc. | 3.130 | 2.930 | 2.930 | 204,796 | 0.200 | | 6.39 |