Warren Buffett may have dumped his $5 billion JPMorgan stake last quarter, investor Chris Bloomstran says

Paul Morigi / Stringer / Getty Images Warren Buffett may have sold some, or all, of his $5 billion worth of JPMorgan shares last quarter. "Looks like JPMorgan is likely gone, or sold way down," tweeted Chris Bloomstran, the head of Semper Augustus Investments and a longtime Berkshire Hathaway shareholder. Bloomstran pointed to the $9.3 billion decline in the value of Berkshire's "banks, insurance, and finance" stocks on a cost basis last quarter, and a $4.5 billion capital loss, as evidence of a...