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The trading floor of the New York Stock Exchange just after the crash of 1929. On Black Tuesday, October twenty-ninth, the market collapsed. In a single day, sixteen million shares were traded--a record--and thirty billion dollars vanished into thin air. Westinghouse lost two thirds of its September value. DuPont dropped seventy points. The "Era of Get Rich Quick" was over. Jack Dempsey, America's first millionaire athlete, lost $3 million. Cynical New York hotel clerks asked incoming guests, "You want a room for sleeping or jumping?"