Warren Buffett drops a fresh hint on Berkshire Hathaway successor

Billionaire Warren Buffett on Saturday gave a clue on who might succeed him to run his Berkshire Hathaway empire, but did not completely reveal his hand.

The world's third-richest man also said at his firm's annual shareholder meeting that its recent investment in Amazon was not a shift in strategy to focus on Silicon Valley firms, which have largely remained missing from Berkshire's voluminous portfolio.

Buffett, 88, was pressed by questions — each greeted with a torrent of applause — about who would succeed him.

Without answering directly, Buffett said Gregory Able, 57, and Ajit Jain, 67 — both promoted last year to