Charles Schwab plunges 19% as investors worry about banks sitting on big bond losses following Silicon Valley Bank collapse

• Charles Schwab plunged 19% on Monday as investors dump shares of banks that have big unrealized losses on their bond portfolios.
• The decline comes after the swift implosion of Silicon Valley Bank, which was taken over by the FDIC on Friday.
• Charles Schwab has nearly $28 billion in unrealized losses across its held-to-maturity and available-for-sale bond portfolio.  

Investors are growing more and more concerned about the massive unrealized losses banks are sitting on in their bond portfolios following the swift collapse of Silicon Valley Bank on Friday.