SVB Financial Group faced a perfect storm, but there are plenty of other banks that would face big losses if they were forced to dump securities to raise cash Silicon Valley Bank has failed following a run on deposits, after its parent company’s share price crashed a record 60% on Thursday. Trading of SVB Financial Group’s SIVB stock was halted early Friday, after the shares plunged again in premarket trading. Treasury Secretary Janet Yellen said SVB was one of a few banks she was “monitoring very carefully.” Reaction poured in from several analysts who discussed the bank’s liquidity risk.