| | Acadia Energy Corp | Software - Application | Technology | 0.00 | 0.00 | -15.00 | -66.00 | -22.02 | 39.34 | 6.25 | 6.25 |
| | Aegon Ltd | Insurance - Diversified | Financial Services | 0.00 | 0.00 | 3.45 | 6.60 | 33.76 | 32.08 | 21.15 | 34.33 |
| | Aecon Group Inc | Engineering & Construction | Industrials | 0.00 | 1.19 | 1.05 | 17.52 | 62.53 | 32.27 | 20.28 | -12.83 |
| | Adacel Technologies Ltd | Software - Application | Technology | 0.92 | 0.92 | 4.18 | 4.18 | 4.18 | 4.18 | -35.53 | -46.00 |
| | Alliance Entertainment Holding Corp Wt | Entertainment | Communication Services | 0.00 | -28.89 | -41.82 | 216.83 | 120.69 | -31.91 | -31.91 | -31.91 |
| | Aeroports de Paris | Airports & Air Services | Industrials | 0.00 | 0.00 | 7.56 | 1.66 | 10.39 | -10.63 | 2.88 | -0.80 |
| | American Energy Partners Inc | Utilities - Regulated Water | Utilities | 6.00 | 8.86 | -39.43 | -71.73 | -78.09 | -82.41 | -93.86 | -92.93 |
| | Applied Energetics Inc | Aerospace & Defense | Industrials | -2.58 | 4.80 | 6.08 | 11.26 | -10.75 | -15.65 | 3.75 | 245.83 |
| | Aerius | Shell Companies | Financial Services | -31.03 | -31.03 | -45.95 | -50.00 | -33.33 | 11.11 | -50.00 | -79.38 |
| | Atlantic Energy Solutions Inc | Shell Companies | Financial Services | 0.00 | -10.00 | -10.00 | -35.71 | -24.69 | 19.21 | -29.41 | 20.00 |
| | Aether Global Innovations Corp | Security & Protection Services | Industrials | -2.02 | -2.19 | 59.53 | 164.33 | 2.47 | -32.85 | -32.85 | -32.85 |
| | Arc Resources Ltd | Oil & Gas E&P | Energy | -2.06 | 3.09 | -3.03 | 15.22 | 20.30 | 52.50 | 62.27 | 159.61 |
| | Atos S.A. | Information Technology Services | Technology | 0.00 | -13.99 | -10.68 | -29.63 | -68.43 | -85.07 | -91.56 | -96.91 |
| | Atos ADR | Information Technology Services | Technology | 2.08 | 0.97 | 17.11 | -11.60 | -67.40 | -83.40 | -90.55 | -96.59 |
| | ADDvantage Technologies Group Inc | Electronics & Computer Distribution | Technology | 0.00 | 0.00 | 119.09 | -68.70 | -68.70 | -68.70 | -68.70 | -68.70 |
| | African Rainbow Minerals Ltd | Other Industrial Metals & Mining | Basic Materials | 5.74 | 10.24 | 23.39 | 34.82 | 24.17 | 2.52 | -17.03 | -10.95 |
| | American Future Fuel Corp | Other Industrial Metals & Mining | Basic Materials | 0.00 | 6.91 | -15.19 | 18.67 | 15.36 | -3.15 | -31.74 | -31.74 |
| | Affiliated Resources Corp | Shell Companies | Financial Services | 0.00 | 6.75 | 171.72 | 460.42 | 146.79 | 3,262.50 | 79.33 | 35.18 |
| | AmTrust Financial Services Inc 7.25 Sub. Notes 2055 | Insurance - Property & Casualty | Financial Services | 0.00 | 0.00 | -0.25 | 3.97 | 0.00 | -2.48 | -15.14 | -28.64 |
| | AmTrust Financial Services Inc 7.5 Sub. Notes 111555 | Insurance - Property & Casualty | Financial Services | 0.00 | 0.06 | 0.06 | 1.65 | 3.29 | -1.48 | -11.30 | -26.79 |
| | Affluence Corp | Telecom Services | Communication Services | 13.03 | 10.77 | 11.63 | 51.58 | 48.45 | -33.76 | -57.52 | -96.00 |
| | Affymax Inc | Biotechnology | Healthcare | 0.00 | 7.14 | 7.14 | 7.14 | 25.00 | -81.71 | -87.90 | -98.97 |
| | Agfa-Gevaert N.V. ADR | Specialty Industrial Machinery | Industrials | 0.00 | 0.00 | 0.00 | 8.33 | 8.33 | 8.33 | -60.24 | -73.47 |
| | AFC Energy Plc | Electrical Equipment & Parts | Industrials | -10.56 | 1.21 | -4.65 | 9.93 | 57.22 | 3.36 | -31.54 | -70.19 |
