| Symbol | Name | Last Trade | Change | Volume |
|---|
| DAEG | Daegis Inc. | 1.07 May 23 | N/A | 0 |
| DAIO | Data I/O Corp. | 2.05 May 23 | N/A | 0 |
| DAKT | Daktronics Inc. | 10.86 May 23 | N/A | 0 |
| DARA | DARA BioSciences, Inc | 0.74 May 23 | N/A | 0 |
| DATE | Jiayuan.com International Ltd. | 5.64 May 23 | N/A | 0 |
| DAVE | Famous Dave's of America Inc. | 11.86 May 23 | N/A | 0 |
| DBLE | Double Eagle Petroleum Co. | 4.29 May 23 | N/A | 0 |
| DCIN | Digital Cinema Destinations Corporation | 5.80 May 23 | N/A | 0 |
| DCIX | Diana Containerships Inc. | 5.76 May 23 | N/A | 0 |
| DCOM | Dime Community Bancshares Inc. | 14.47 May 23 | N/A | 0 |
| DCTH | Delcath Systems, Inc. | 0.43 May 23 | N/A | 0 |
| DECK | Deckers Outdoor Corp. | 53.71 May 23 | N/A | 0 |
| DELL | Dell Inc. | 13.35 May 23 | N/A | 0 |
| DENN | Denny's Corporation | 6.03 May 23 | N/A | 0 |
| DEPO | DepoMed Inc. | 5.79 May 23 | N/A | 0 |
| DEST | Destination Maternity Corporation | 25.08 May 23 | N/A | 0 |
| DFRG | Del Frisco's Restaurant Group, Inc. | 18.50 May 23 | N/A | 0 |
| DFZ | R.G. Barry Corporation | 14.02 May 23 | N/A | 0 |
| DGAS | Delta Natural Gas Company, Inc. | 22.21 May 23 | N/A | 0 |
| DGICA | Donegal Group Inc. | 14.92 May 23 | N/A | 0 |
| DGICB | Donegal Group Inc. | 20.30 May 23 | N/A | 0 |
| DGII | Digi International Inc. | 9.64 May 23 | N/A | 0 |
| DGIT | Digital Generation, Inc. | 7.21 May 23 | N/A | 0 |
| DGLY | Digital Ally Inc. | 6.30 May 23 | N/A | 0 |
| DHIL | Diamond Hill Investment Group Inc. | 82.49 May 23 | N/A | 0 |
| DHRM | Dehaier Medical Systems Limited | 1.90 May 23 | N/A | 0 |
| DIOD | Diodes Incorporated | 23.15 May 23 | N/A | 0 |
| DISCA | Discovery Communications, Inc. | 79.78 May 23 | N/A | 0 |
| DISCB | Discovery Communications, Inc. | 77.93 May 7 | N/A | 0 |
| DISCK | Discovery Communications, Inc. | 70.39 May 23 | N/A | 0 |
| DISH | Dish Network Corp. | 39.39 May 23 | N/A | 0 |
| DJCO | Daily Journal Corp. | 110.67 May 23 | N/A | 0 |
| DLHC | DLH Holdings Corp. | 0.92 May 23 | N/A | 0 |
| DLIA | dELiA*s, Inc. | 0.94 May 23 | N/A | 0 |
| DLLR | DFC Global Corp. | 14.83 May 23 | N/A | 0 |
| DLTR | Dollar Tree, Inc. | 50.19 May 23 | N/A | 0 |
| DMLP | Dorchester Minerals LP | 25.02 May 23 | N/A | 0 |
| DMND | Diamond Foods, Inc. | 16.65 May 23 | N/A | 0 |
| DMRC | Digimarc Corporation | 24.50 May 23 | N/A | 0 |
| DNBF | DNB Financial Corp. | 17.38 May 23 | N/A | 0 |
| DNDN | Dendreon Corp. | 3.91 May 23 | N/A | 0 |
| DNKN | Dunkin' Brands Group, Inc. | 40.86 May 23 | N/A | 0 |
| DORM | Dorman Products, Inc. | 44.21 May 23 | N/A | 0 |
| DOVR | Dover Saddlery, Inc. | 4.00 May 23 | N/A | 0 |
| DRAD | Digirad Corporation | 2.40 May 23 | N/A | 0 |
| DRAM | Dataram Corporation | 3.45 May 23 | N/A | 0 |
| DRCO | Dynamics Research Corporation | 5.01 May 23 | N/A | 0 |
| DRIV | Digital River Inc. | 17.10 May 23 | N/A | 0 |
| DRRX | DURECT Corporation | 0.89 May 23 | N/A | 0 |
| DRTX | Durata Therapeutics, Inc. | 7.06 May 23 | N/A | 0 |
3.88(0.11%) May 23