| Term |
| DAGM - DAG Media Inc. |
| DAIEY - Dai ei Inc. |
| DAIO - Data I/O Corporation |
| DAKT - Daktronics Inc. |
| DARA - DARA Biosciences Inc. |
| DASTY - Dassault Systemes S.A. |
| DATA - DataTrak International Inc. |
| DAVE - Famous Dave s of America Inc. |
| DBLE - Double Eagle Petroleum Company |
| DBLEP - Double Eagle Petroleum Company |
| DBRN - Dress Barn Inc. (The) |
| DBTK - Double-Take Software Inc. |
| DCAI - Dialysis Corporation of America |
| DCAP - DCAP Group Inc |
| DCGN - deCODE genetics Inc. |
| DCOM - Dime Community Bancshares Inc. |
| DCTH - Delcath Systems Inc. |
| DDIC - DDi Corp. |
| DDMX - Dynamex Inc. |
| DDRX - Diedrich Coffee |
| DDSS - Labopharm Inc. |
| DDUP - Data Domain Inc. |
| DEAR - Dearborn Bancorp Inc. |
| DECC - D&E Communications Inc. |
| DECK - Deckers Outdoor Corporation |
| DEEP - Superior Offshore International Inc. |
| DEIX - Directed Electronics Inc. |
| DELL - Dell Inc. |
| DENN - Denny s Corporation |
| DEPO - DepoMed Inc. |
| DESC - Distributed Energy Systems Corporation |
| DEVC - Devcon International Corp. |
| DFZ - R.G. Barry Corporation |
| DGAS - Delta Natural Gas Company Inc. |
| DGICA - Donegal Group Inc. |
| DGICB - Donegal Group Inc. |
| DGII - Digi International Inc. |
| DGIT - DG FastChannel Inc. |
| DGLY - Digital Ally Inc. |
| DHFT - Diamond Hill Financial Trends Fund Inc. |
| DHIL - Diamond Hill Investment Group Inc. |
| DIET - eDiets.com Inc. |
| DIGA - Applied Digital Solutions Inc. |
| DIMEZ - Washington Mutual Inc. |
| DIOD - Diodes Incorporated |
| DISCA - Discovery Holding Co |
| DISCB - Discovery Holding Co |
| DISH - DISH Network Corporation |
| DISK - Image Entertainment Inc. |
| DITC - Ditech Networks Inc. |
| DIVX - DivX Inc. |
| DJCO - Daily Journal Corp. (S.C.) |
| DLIA - dELIA*s Inc. |
| DLLR - Dollar Financial Corp. |
| DLPX - DelphaxTechnologies Inc. |
| DLTR - Dollar Tree Inc. |
| DMAN - DemandTec Inc. |
| DMLP - Dorchester Minerals L.P. |
| DMND - Diamond Foods Inc. |
| DMRC - Digimarc Corporation |
| DNBK - Danvers Bancorp Inc. |
| DNDN - Dendreon Corporation |
| DNEX - Dionex Corporation |
| DORM - Dorman Products Inc. |
| DOVR - Dover Saddlery Inc. |
| DOWT - Merrill Lynch & Co. Inc. |
| DPTR - Delta Petroleum Corporation |
| DRAD - Digirad Corporation |
| DRAM - Dataram Corporation |
| DRAX - Draxis Health Inc. |
| DRCO - Dynamics Research Corporation |
| DRIV - Digital River Inc. |
| DROOY - DRDGOLD Limited |
| DRRX - Durect Corporation |
| DRYS - DryShips Inc. |
| DSCM - drugstore.com inc. |
| DSCO - Discovery Laboratories Inc. |
| DSCP - Datascope Corp. |
| DSGX - Descartes Systems Group Inc. (The) |
| DSPG - DSP Group Inc. |
| DSTI - DayStar Technologies Inc. |
| DSTIZ - DayStar Technologies Inc. |
| DSUP - Dayton Superior Corporation |
| DSWL - Deswell Industries Inc. |
| DTLK - Datalink Corporation |
| DTPI - Diamond Management & Technology Consultants Inc. |
| DTSI - DTS Inc. |
| DTV - The DIRECTV Group Inc. |
| DUCK - Duckwall-Alco Stores Inc. |
| DUSA - DUSA Pharmaceuticals Inc. |
| DVAX - Dynavax Technologies Corporation |
| DWCH - Datawatch Corporation |
| DWID - Merrill Lynch & Co. Inc. |
| DWMT - Merrill Lynch & Co. Inc. |
| DWRI - Design Within Reach Inc. |
| DWSN - Dawson Geophysical Company |
| DWTN - Merrill Lynch & Co. Inc. |
| DWTT - Merrill Lynch & Co. Inc. |
| DXCM - DexCom Inc. |
| DXPE - DXP Enterprises Inc. |
| DXYN - Dixie Group Inc. (The) |
| DYAX - Dyax Corp. |
| DYII - Dynacq Healthcare Inc. |
| DYNT - Dynatronics Corporation |
