降低炒作热度

Two months before Black Monday, the market crash that led to the Great Depression, a Massachusetts economist named Roger Babson, fretting over a wave of mom-and- pop investors borrowing money to buy stocks, declared in a speech that “sooner or later a crash is coming and it may be terrific.” Afterward, the market sank 3%, a dip known at the time as the “Babson Break.” But in the weeks that followed, writes Andrew Ross Sorkin in his engrossing new history, 1929: Inside the Greatest Crash in Wall Street History—and How It Shattered a Nation, “the market shook off Babson’s foreboding,” in part because of optimism over new mass-market products like the radio and the automobile. …