The head of the world's largest hedge fund has said that President Donald Trump will be good for the US and world economy - but he fears the populist tide that took him to the Oval Office. Ray Dalio, founder of Bridgewater Associates, which manages $150bn, said populism was on a scale not seen since the 1930s, and could prove dangerous. Mr Dalio's position is less negative. He told the BBC: "On Trump, there are pluses and minuses. I don't think he is necessarily protectionist, and he is very pro-business with his policies. "Money chases hospitable environments, and if...