An $80 billion portfolio managed by hedge fund titan Ray Dalio's Bridgewater Associates and widely held by many pension funds slumped in August and some investors blame the strategy of such funds for the eruption in volatility that slammed stocks and commodities.
What is the relationship between 'Bridgewater Associates' and 'hedge fund' in the context of the input sentence.
Options: industry, location of formation, chief executive officer, parent organization