NEW YORK (AP) — A fraud trial began Monday for the founder of a hedge fund that cost leading global investment banks and brokerages billions of dollars when it collapsed. A prosecutor portrayed Bill Hwang, of Tenafly, the founder of Archegos Capital Management, as a greedy man hoping to become a Wall Street legend while his lawyer said he was an honest investor fearless about losing money in stocks he believed in. Hwang is on trial along with his former CFO Patrick Halligan, of Syosset, New York. Hwang and his co-conspirators artificially inflated nearly a dozen stocks before a meltdown three …