Billionaire Ray Dalio's Bridgewater fund poured almost half a billion dollars into gold in Q2

· Billionaire Ray Dalio's hedge fund invested more than $400 million in gold in Q2. 
· 13F filings show his Bridgewater Associates firm piled into two of the world's largest gold-back ETFs: The iShares Gold Trust and the SPDR Gold Trust. 
· Bridgewater's holding in the SPDR Gold Trust alone is now worth $914.3 million, up...