Meet the father of mortgage-backed bonds. In the late 1970s, the college dropout and Salomon trader coined the term securitization to name a tidy bit of financial alchemy in which home loans were packaged together by Wall Street firms and sold to institutional investors. In 1984 Ranieri boasted that his mortgage-trading desk "made more money than all the rest of Wall Street combined." The good times rolled: as homeownership exploded in the early '00s, the mortgage-bond business inflated Wall Street's bottom line. So the firms placed even bigger bets on these securities. But when subprime borrowers started missing payments, the mortgage market stalled and bond prices collapsed. Investment banks, overexposed to the toxic assets, closed their doors. Investors lost fortunes.
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