At 9:30 p.m., the news hit the wires. Goldman Sachs and Morgan Stanley would become bank holding companies. It was a watershed event: The two biggest investment banks in the nation had essentially declared their business model dead to save themselves. The New York Times described it as “a move that fundamentally reshapes an era of high finance that defined the modern Gilded Age” and “a blunt acknowledgment that their model of finance and investing had become too risky.”