March 16 Reuters Large U.S. banks injected 30 billion in deposits into First Republic Bank on Thursday, swooping in to rescue the lender caught up in a widening crisis triggered by the collapse of two other midsize U.S. lenders over the past week.

Banking stocks globally have been battered since Silicon Valley Bank collapsed last week due to bondrelated losses that piled up when interest rates surged last year, raising questions about what else might be lurking in the wider banking system.

Within days, the market turmoil had ensnared Swiss lender Credit Suisse, forcing it to borrow up to 54 billion from Switzerland39;s central bank to shore up liquidity.

By Thursday afternoon, the spotlight whipsawed back to the United States as big banks led an effort to prop up support for First Republic, a regional lender whose shares had tumbled 70 in the last nine trading sessions.

Some of the biggest U.S. banking names including JPMorgan Chase Co, Citigroup Inc, Bank of America Corp, Wells Fargo Co, Goldman Sachs and Morgan Stanley were involved in the rescue, according to a statement from the banks.

The deal was put together by power brokers including U.S. Treasury Secretary Janet Yellen, Federal Reserve Chairman Jerome Powell and JPMorgan Chase CEO Jamie Dimon, who discussed the package on Tuesday, according to a source familiar with the situation.

U.S. regulators said the show of support was most welcome, and showed the resilience of the banking system.

A round of…