Larry Robbins' $1.8-billion Glenview Capital Opportunity Fund returned a whopping 84.2 per cent through October 31, 2013, which made it No. 1 in the annual Bloomberg Markets ranking of the best-performing large hedge funds. Robbins, 44, trounced his rivals by betting on US stocks as they rose to record levels. He has been heavily invested in health care stocks since 2004. He loaded up on hospital shares in 2012 after the Supreme Court let stand President Barack Obama's Affordable Care Act.

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