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 from closer to $600 million in Q1. 
Gold prices have risen 26% since the start of the year, and hit record highs. 
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