| Name | Ticker | Type | ISIN code |
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| U
| U
| Stock | |
| UAG | UAG | Stock | |
| UBC | UBC | Stock | |
| UBG | UBG | Stock | |
| UBM | UBM | Stock | |
| UBN | UBN | Stock | |
| UBS AG PARTIAL PRINCIPAL PROTECTED NTS S | PPZ@C | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES DJ INDU | PPV@E | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES RUSSELL | PPV@C | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@K | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@P | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@L | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@N | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@O | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES S&P 500 | PPV@M | Bond | |
| UBS AG PRINCIPAL PROTECTED NOTES US EQUI | PPV@I | Bond | |
| UBS AG S&P 500 INDEX PRINCIPAL PROTECTED | PPV@Q | Bond | |
| UBS AG S&P 500 INDEX PRINCIPAL PROTECTED | PPV@R | Bond | |
| UCI | UCI | Stock | |
| UHC | UHC | Stock | |
| ULTRA BASIC MATERIALS PROSHARES | UYM | Stock | |
| ULTRA CONSUMER GOODS PROSHARES | UGE | Stock | |
| ULTRA CONSUMER SERVICES PROSHARES | UCC | Stock | |
| ULTRA DOW30 PROSHARES | DDM | Stock | |
| ULTRA FINANCIALS PROSHARES | UYG | Stock | |