It was a scene straight out of the Great Depression: a major California bank locking its doors and pulling down the shades as a horde of panicky depositors demanded their money.
And hard on the heels of the collapse of Silicon Valley Bank, New York state regulators shut down another mid-sized bank called Signature Bank.
Federal officials rushed to insist that there's no call for panic, but the news shook millions of people who entrust their modest means to banks.
