UBS agreed to acquire Credit Suisse for $3.23 bln in a deal brokered by Swiss authorities and regulators.
Credit Suisse will write down CHF16 bln worth of its Additional Tier 1 debt.
Swiss National Bank doubled the credit line to Credit Suisse to CHF100 bln.
The Swiss National Bank is also taking part in coordinated action to improve dollar liquidity through swap lines along with the Fed, Bank of England, Bank of Canada, and Bank of Japan.