Amazon CEO Andy Jassy says his letter to shareholders follows one of the toughest economic years in recent memory. Read it in full.

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andy jassy amazon
Amazon CEO Andy Jassy.

Mike Blake/Reuters

Warren Buffett touts his iconic Coca-Cola and American Express bets in his annual letter - and trashes managers who manipulate earnings

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Warren Buffett
Warren Buffett.

Reuters/Rick Wilking

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