Call CNBC! We think we've cracked the secret to the Dow Jones: Tom Wolfe's book The Bonfire of the Vanities, a satire of yuppie excess, was arriving in bookstores on October 19, 1987 -- the day of the stock market crash. Mary Harron's film American Psycho, a satire of yuppie excess, debuted on April 14, 2000 -- the day of the stock market plunge. Says Lions Gate copresident Mark Urman, whose company released Psycho, ''I can only surmise that traders, fearing a negative depiction, lost concentration and let the market crash.''





