Warren Buffett has sold IBM shares, and ‘revalued’ tech icon downward, cites ‘big strong competitors’

IBM has lost the confidence of one of its biggest investors, Berkshire Hathaway Chairman and CEO Warren Buffett. Buffett, who owned about 81 million shares of IBM at the end of 2016, sold off about a third of that stake in the first and second quarters of 2017, he...