23:32World Business ReportFirst broadcast 2016/05/16 22:32 GMT: Warren Buffett's Berkshire Hathaway Buys Stake in AppleBBC World Service Duration: 27 minutes Mon 16th May 2016, 23:32 on BBC World Service OnlineAvailable for over a yearListen nowApple shares have rallied on the news Berkshire Hathaway is investing $900m. Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online