4 top investors are betting big on gold

The price of gold is down 40% from all-time highs in 2011, but big hedge fund names are betting the worst is over.

Stanley Druckenmiller's Duquesne fund was the latest one to dive in, investing close to 25% of its U.S. equity portfolio in gold-related stocks as of August 14, 2015. See the gold holdings of other top managers: