Apple was up more than 4% by Thursday 3 p.m. on a $1 billion bet by Warren Buffett's Berkshire Hathaway.
Buy low, sell high.
There is some poetry perhaps in Carl Icahn selling his Apple shares to Warren Buffett.
— Horace Dediu (@asymco) May 16, 2016
UPDATE: Berkshire Hathaway bought the shares, not Buffett. See here.