WASHINGTON — On Friday afternoon, the deputy Treasury secretary, Wally Adeyemo, met with Jamie Dimon, the chief executive of JPMorgan Chase & Company, at Mr. Dimon’s office in New York.The Biden administration and the Federal Reserve were considering what would be the most aggressive emergency intervention in the banking system since the 2008 financial crisis, and the question the two men debated was at the heart of that decision.Could the failure of Silicon Valley Bank, the mega start-up lender that had just collapsed, spread to other banks and create a systemic risk to the financial system?“There’s potential,” Mr. Dimon said, according to people familiar with the conversation.Mr. Adeyemo was one of many administration officials who entered last weekend unsure of whether the federal government needed to explicitly rescue Silicon Valley Bank’s depositors before markets opened on Monday morning.In the White House and the Treasury, some officials initially saw the bank’s …
