One of the most prominent lenders in the world of technology start-ups, struggling under the weight of ill-fated decisions and panicked customers, collapsed on Friday, forcing the federal government to step in.The Federal Deposit Insurance Corporation said on Friday that it would take over Silicon Valley Bank, a 40-year-old institution based in Santa Clara, Calif. The bank’s failure is the second-largest in U.S. history, and the largest since the financial crisis of 2008.The move put nearly $175 billion in customer deposits under the regulator’s control. While the swift downfall of the nation’s 16th largest bank evoked memories of the global financial panic of a decade and a half ago, it did not immediately touch off fears of widespread destruction in the financial industr …
