HSBC Shares Tumble in Hong Kong on Risky Bond Exposure Concerns
Shares of European banks traded in Asia tumbled Monday, as investors weighed a collapse in the value of additional tier 1 bonds issued by lenders following the terms of the Credit Suisse Group AG’s rescue.
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### Instruction: HSBC Shares Tumble in Hong Kong on Risky Bond Exposure Concerns

### Response: Shares of European banks traded in Asia tumbled Monday, as investors weighed a collapse in the value of additional tier 1 bonds issued by lenders following the terms of the Credit Suisse Group AG’s rescue.