the dramatic selloff in shares of svb financial group has bank investors on tenterhooks worrying that the troubles at the silicon valleybased lender may be indicative of more pain to come across the industry it may be a buying opportunity instead first a recap svb financial ticker sivb shares plunged 60 thursday after revealing that it had realized a 18 billion loss after selling 21 billion of its “availableforsale securities” from its portfolio to make up for the loss—and to shore up its finances—svb said it planned to raise 225 billion to build up its finances the sales came as svb revealed that it has seen a sharp drop in deposits as its client base composed mostly of venture capitalists and startups has been burning through cash