Wed, 04/19/2023 - 05:45 Tech Insider Warren Buffett.REUTERS/Rick Wilking Tags Markets, MI Exclusive, Stocks, Warren Buffett, Berkshire Hathaway, Bank stocks, Banking Crisis, Bank failures, Silicon Valley Bank, Credit Crunch, Bank of America, Wells Fargo, Citigroup, JPMorgan, Wall Street, stock portfolio, BNY Mellon, US Bank, M&T Bank, PNC Financial, Goldman Sachs, Jefferies, Nubank, Ally Financial, Financial Services, Accounting, Management, Corporate Governance Source Warren Buffett dumped several banks after spotting red flags in their financial…