Investment guruWarren Buffettoffered a few insights intoBerkshire Hathaway, Inc.'s(NYSE:BRK) (NYSE:BRK) plans for its swelling cash hoard at the firm's annual shareholder meeting on Saturday.

Cash Is King:Buffett was asked about potentially investing some of its $189 billion cash reserves and the billionaire had a simple reply: "I don't think anybody sitting at this table has any idea of how to use it effectively and therefore we don't we don't use it."

This is despite the prevailing higher interest rate environment, he suggested. "We don't use it now at...