Relief over Credit Suisse deal crumbles as focus shifts to bond risks
Banking stocks tumbled on Monday as initial relief over a historic state-backed rescue of troubled lender Credit Suisse by Swiss rival UBS Group gave way to new worries about the risks of high-yield debt issued by big banks.
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### Instruction: Relief over Credit Suisse deal crumbles as focus shifts to bond risks

### Response: Banking stocks tumbled on Monday as initial relief over a historic state-backed rescue of troubled lender Credit Suisse by Swiss rival UBS Group gave way to new worries about the risks of high-yield debt issued by big banks.