CNBC Daily Open: Credit Suisse spreads the banking crisis to Europe
Credit Suisse tanked after its largest investor said it couldn't provide more financial assistance. Banks in the U.S. and Europe were slammed on the news.
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### Instruction: CNBC Daily Open: Credit Suisse spreads the banking crisis to Europe

### Response: Credit Suisse tanked after its largest investor said it couldn't provide more financial assistance. Banks in the U.S. and Europe were slammed on the news.