Luck be a Lady July 2, 1999 Dear Investor: As the Yiddish saying goes, those who do not depend on luck have less bad luck. “Luck be a lady tonight.” And may she stay that way, for luck is not a kind mistress when it comes to investment. This lesson was hardly lost on those speculators who plunged into Amazon.com at 221 ΒΌ two months ago. They were clearly counting on the seductress herself, because there was not much else on which to...