(Bloomberg) -- First Republic Bank slid to an all-time low after S&P Global lowered the lender’s credit rating for the second time in a week and the Wall Street Journal reported that executives from major banks were discussing fresh stabilization efforts.Most Read from BloombergUBS to Buy Credit Suisse in $3.3 Billion Deal to End CrisisCredit Suisse’s $17 Billion of Risky Bonds Are Now WorthlessThe One Big Winner and Many Losers of UBS’s Credit Suisse RescueMorgan Stanley Strategist Says Bank St