Northern Rock, Bear Stearns, Countrywide Financial and Alliance & Leicester. Back in late 2007 and early 2008, when they all failed or were rescued, none of the above was systemically important. And few observers would have predicted the nightmarish crisis that was to strike within the year, felling behemoths from Wall Street’s venerable Lehman Brothers to Royal Bank of Scotland, then the biggest bank in the world.
Fifteen years later, after a week in which four banks — Silicon Valley Bank, Signature and First Republic in the US, and Credit Suisse in Europe — teetered and were propped up in
