(Bloomberg) -- Banks borrowed a combined $164.8 billion from two Federal Reserve backstop facilities in the most recent week, a sign of escalated funding strains in the aftermath of Silicon Valley Bank’s failure.Most Read from BloombergSchwab Clients Shift From Prime Funds to Government PortfoliosFirst Republic Set to Get $30 Billion of Deposits in RescueIn New York City, a $100,000 Salary Feels Like $36,000First Republic Bank Is Exploring Options Including a SaleThe 10 Top US Cities Where a $10