Credit Suisse unease sparks selloff in world stocks
Renewed unease gripped world markets on Wednesday as news that Credit Suisse's largest investor said it could not provide the Swiss bank with more financial assistance sent its shares and broader European shares sliding once more.
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### Instruction: Credit Suisse unease sparks selloff in world stocks

### Response: Renewed unease gripped world markets on Wednesday as news that Credit Suisse's largest investor said it could not provide the Swiss bank with more financial assistance sent its shares and broader European shares sliding once more.