Japan's Nuclear Crisis Rattles Stocks

Stocks dropped Tuesday after Japan said the crisis at its crippled nuclear plant was as serious as the 1986 Chernobyl accident, though much less radiation has leaked. ALCOA: Alcoa Inc. dropped 6 percent after the aluminum maker's first-quarter revenues fell short of expectations. Alcoa, one of 30 companies in the Dow average, is the first large company to report quarterly earnings. The Dow Jones ...