What went wrong at Silicon Valley Bank? The Fed is set to release a postmortem report

It's been six weeks since the collapse of Silicon Valley Bank and Signature Bank threatened to kick off a nationwide bank run. Now, U.S. regulators are due to issue their postmortem reports.

The Federal Reserve plans to release a report Friday on whether there were lapses in its oversight of Silicon Valley Bank that may have contributed to the bank's failure.

Separately, the Federal Deposit Insurance Corp. will also report Friday on how the regulator supervised New York-based Signature Bank, which failed days after the Silicon Valley lender.