| Code | Name | High | Low | Close | Volume | Change |
|---|
| JACK | JACK IN THE BOX INC | 18.75 | 18.28 | 18.55 | 1,081,946 | 0.05 |  | 0.27 |
| JACO | Jaco Electronics Inc. | 0.6200 | 0.6200 | 0.6200 | 6,600 | 0.0000 |  | 0.00 |
| JADE | LJ International Inc. | 3.280 | 3.200 | 3.220 | 137,516 | 0.100 |  | 3.01 |
| JAKK | JAKKS Pacific Inc. | 12.90 | 12.55 | 12.71 | 179,639 | 0.11 | | 0.87 |
| JASO | JA Solar Holdings Co. Ltd. | 4.000 | 3.900 | 3.960 | 3,078,717 | 0.110 | | 2.70 |
| JAVA | Sun Microsystems Inc. | 8.660 | 8.490 | 8.610 | 8,204,220 | 0.010 | | 0.12 |
| JAX | J. Alexander's Corporation | 4.070 | 4.040 | 4.040 | 2,160 | 0.040 | | 0.98 |
| JAXB | Jacksonville Bancorp Inc. | 9.250 | 9.250 | 9.250 | 1,323 | 0.250 | | 2.63 |
| JAZZ | Jazz Pharmaceuticals Inc. | 7.240 | 6.970 | 7.030 | 178,732 | 0.210 | | 2.90 |
| JBHT | J.B. Hunt Transport Services Inc. | 32.26 | 31.66 | 32.01 | 924,399 | 0.21 | | 0.65 |
| JBLU | JetBlue Airways Corporation | 5.260 | 5.150 | 5.200 | 2,703,003 | 0.010 | | 0.19 |
| JBSS | John B. Sanfilippo & Son Inc. | 13.95 | 13.79 | 13.93 | 142,436 | 0.15 | | 1.09 |
| JCDA | Jacada Ltd. | 1.340 | 1.240 | 1.300 | 79,774 | 0.080 | | 5.80 |
| JCOM | j2 Global Communications Inc | 20.58 | 20.28 | 20.40 | 152,608 | 0.08 | | 0.39 |
| JCS | Communications Systems Inc. | 11.52 | 11.01 | 11.19 | 12,215 | 0.16 | | 1.45 |
| JCTCF | Jewett-Cameron Trading Company | 6.800 | 6.800 | 6.800 | 200 | 0.090 | | 1.31 |
| JDAS | JDA Software Group Inc. | 24.12 | 23.50 | 23.75 | 266,568 | 0.25 | | 1.04 |
| JDSU | JDS Uniphase Corporation | 7.400 | 7.210 | 7.290 | 4,111,138 | 0.100 | | 1.35 |
| JFBC | Jeffersonville Bancorp | 9.370 | 9.350 | 9.360 | 836 | 0.110 | | 1.19 |
| JFBI | Jefferson Bancshares Inc. | 5.030 | 5.010 | 5.010 | 1,100 | 0.000 | | 0.00 |
| JJSF | J & J Snack Foods Corp. | 38.66 | 38.01 | 38.63 | 38,092 | 0.57 | | 1.50 |
| JKHY | Jack Henry & Associates Inc. | 23.54 | 23.07 | 23.31 | 420,601 | 0.01 | | 0.04 |
| JMBA | Jamba Inc. | 1.700 | 1.590 | 1.650 | 292,308 | 0.040 | | 2.37 |
| JNPR | Juniper Networks Inc. | 26.30 | 25.05 | 25.06 | 20,237,300 | 0.78 | | 3.02 |
| JOBS | 51job Inc. | 16.94 | 16.12 | 16.66 | 46,911 | 0.39 | | 2.40 |
| JOEZ | Joe's Jeans Inc. | 1.300 | 1.280 | 1.290 | 96,017 | 0.020 | | 1.52 |
| JOSB | Jos. A. Bank Clothiers Inc. | 42.69 | 41.06 | 41.74 | 204,190 | 0.10 | | 0.24 |
| JOUT | Johnson Outdoors Inc. | 9.850 | 9.000 | 9.820 | 11,150 | 0.020 | | 0.20 |
| JOYG | Joy Global Inc. | 54.57 | 53.02 | 54.03 | 2,163,723 | 0.83 | | 1.51 |
| JRCC | James River Coal Company | 20.16 | 19.48 | 19.81 | 804,263 | 0.51 | | 2.51 |
| JRJC | China Finance Online Co. | 9.090 | 8.730 | 9.000 | 60,083 | 0.060 | | 0.67 |
| JSDA | Jones Soda Co. | 0.7500 | 0.7200 | 0.7200 | 12,739 | 0.0300 | | 4.00 |
| JST | JINPAN INTL LTD | 38.95 | 36.03 | 38.57 | 203,171 | 2.57 | | 7.14 |
| JXSB | Jacksonville Bancorp Inc. | 8.850 | 8.670 | 8.850 | 1,200 | 0.250 | | 2.75 |