Silicon Valley Bank and Signature Bank failed with enormous speed – so quickly that they could be textbook cases of classic bank runs, in which too many depositors withdraw their funds from a bank at the same time. The failures at SVB and Signature were two of the three biggest in U.S. banking history, following the collapse of Washington Mutual in 2008.
How could this happen when the banking industry has been sitting on record levels of excess reserves – or the amount of cash held beyond what regulators require?
