| Name | Ticker | Type | ISIN code |
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| ADA-ES, INC. | ADES | Stock | US0052081033 |
| A.D.A.M. INC. | ADAM | Stock | US00088U1088 |
| ADAMS GOLF, INC. | ADGF | Stock | |
| ADAPTEC, INC. | ADPT | Stock | US00651F1084 |
| ADC TELECOMMUNICATIONS. | ADCT | Stock | US0008863096 |
| ADDVANTAGE TECHNOLOGIES GROUP. | AEY | Stock | |
| ADEPT TECHNOLOGY. | ADEP | Stock | US0068542028 |
| ADOBE SYSTEMS INCORPORATED | ADBE | Stock | US00724F1012 |
| ADOLOR CORPORATION | ADLR | Stock | US00724X1028 |
| ADTRAN, INC. | ADTN | Stock | US00738A1060 |
| ADVANCED ANALOGIC TECHNOLOGIES. | AATI | Stock | US00752J1088 |
| ADVANCED BATTERY TECHNOLOGIES. | ABAT | Stock | |
| ADVANCEDECLINE | ADV | Index | |
| ADVANCED ENERGY INDUSTRIES. | AEIS | Stock | US0079731008 |
| ADVANCED ENVIRONMENTAL RECYCLING TECHNOL | AERT | Stock | US0079471043 |
| ADVANCED LIFE SCIENCES HOLDINGS. | ADLS | Stock | US00765H1077 |
| ADVANTA CORP. | ADVNA | Stock | US0079421055 |
| ADVANTA CORP. | ADVNB | Stock | US0079422046 |
| ADVENT SOFTWARE. | ADVS | Stock | US0079741080 |
| ADVISORY BOARD COMPANY (THE) | ABCO | Stock | US00762W1071 |
| ADVOCAT, INC. | AVCA | Stock | US0075861007 |
| AEHR TEST SYSTEMS | AEHR | Stock | US00760J1088 |
| AEP INDUSTRIES INC. | AEPI | Stock | US0010311035 |
| AEROGROW INTERNATIONAL. | AERO | Stock | |
| AEROVIRONMENT, INC. | AVAV | Stock | |