What is the relationship between Bridgewater Associates and hedge fund in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

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.

Answer: industry