since 1950, the dow has averaged a 2% gain every april. elsewhere, customers of companies including citigroup, walgreen s, tivo, capital one, and thousands of college students had their names and e-mails exposed after a hacker penetrated on-line marketer epselon. the probe to the mortgage meltdown will point the finger particularly at goldman sachs and deutsche bank. both have been criticized for misleading investors in the housing market. a year since the nation s worst environmental disaster, bp is asking regulators to let it resume drilling in the gulf. and transocean, the company that bp leased the rig from, gave top executives bonuses for achieving the, quote, best performance in the company s history. despite the explosion, 11 people died and gallons of oil spilled to the gulf.