Rising interest rates have cranked up the interest banks are paying depositors. But banks also have a lot of cash stuck in low-interest bonds and loans they made before the Federal Reserve started raising interest rates.
Technology that can cause banks to fail overnight could force the Federal Reserve to upgrade its infrastructure, while continuing basic regulation to prevent failures from occurring in the first place.
The failures of Silicon Valley Bank and Signature Bank had a lot of depositors worried about their own banks. While many moved their depositors to bigger institutions, bank deposits have been trending downward overall.