UPDATE 1-U.S. hedge funds pile into health insurers, ignore Amazon threat
May 15, 2018 at 17:26 PM EDT
NEW YORK, May 15 (Reuters) - Prominent hedge fund managers appear to have wagered on U.S. health insurers whose shares tumbled after Jeff Bezos, Warren Buffett and Jamie Dimon unveiled plans in January for a joint venture aimed at slashing healthcare costs.