Stephen Cucchiaro, who helped build Windhaven Investment Management into a more than $19 billion asset manager, has started a firm that runs a macro hedge fund. 3EDGE Asset Management, which began this month, seeks to identify the impact of factors such as central-bank policies on global markets in its hedge fund, which bets with exchange-traded funds and derivatives, Cucchiaro said in an interview at his office in Boston. The firm, which...