(Bloomberg) -- Wall Street banks are hunting for alternative ways to shore up their coffers as an emergency lending tool that helped resolve last year’s regional banking crisis expires.Most Read from BloombergOne of the Most Infamous Trades on Wall Street Is Roaring BackStocks Kick Off Key Inflation Week Under Pressure: Markets WrapThese Are the Best Countries for Wealthy Expats‘Oppenheimer’ Wins Seven Oscars Including Best Picture, DirectorThe Bank Term Funding Program, which was established in