Investors in subprime home-equity securitizations have a new tool for managing their risk exposure, an index backed by a reference pool of bonds issued by some of the market’s largest players. “We expect the new ABX HE index to build liquidity and transparency in the synthetic asset-backed market, attracting global investors that seek exposure to this asset class, both on the buyside and sellside,” said Kevin Gould, executive vice president and head of data