Selling spree: Is Warren Buffett losing confidence in this stock?

After revealing a revamped stock portfolio in his 13F fillings, the second quarter for Warren Buffett showed that he abstained from selling Bank of America (NYSE: BAC) stock during this period; however, the month of July started his selling spree.Looking at the insider trading information for BAC stock, data reveals that the CEO of Berkshire Hathaway (NYSE: BRK.A) offloaded $4.36 billion worth of Bank of America shares in trades from July 22 to August 19.Insider sales of BAC stock by Warren Buffett. Source: ...