| Name | Ticker | Type | ISIN code |
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| L
| L
| Stock | |
| LABARGE, INC | LB | Stock | |
| LADENBURG THALMANN FINANCIAL SERVICES IN | LTS | Stock | |
| LANNETT COMPANY, INC | LCI | Stock | |
| LATIN AMERICA EQUITY FUND (THE) | LAQ | Stock | |
| LAW ENFORCEMENT ASSOCIATES CORP | AID | Stock | |
| LAZARE KAPLAN INTERNATIONAL INC | LKI | Stock | |
| LBM@A | LBM@A | Bond | |
| LBM@B | LBM@B | Bond | |
| LD | LD | Stock | |
| LEHMAN BR DJ EUROSTOXX 50 | LBN@A | Bond | |
| LEHMAN BROS HOLDINGS INC S&P 500 SUNS | PSZ@C | Bond | |
| LEVERAGED INDEX RETURN NOTES LINKED TO T | RLO | Stock | |
| LGL GROUP, INC (THE) | LGL | Stock | |
| LIBERTY ACQ HDG UTS | LIA.U | Stock | |
| LIBERTY ACQ HDG WTS | LIA+ | Warrant | |
| LIBERTY ACQ HGDS CP | LIA | Stock | |
| LIS | LIS | Stock | |
| LODGIAN, INC | LGN | Stock | |
| LOG | LOG | Stock | |
| LORUS THERAPEUTICS (NEW) | LRP | Stock | |
| LQZ.TEST | LQZ.TEST | Stock | |
| LRN | LRN | Stock | |
| LSB INDUSTRIES, INC | LXU | Stock | |
| LSC | LSC | Stock | |