Reuters - Hewlett-Packard Co. on Tuesday posted a better-than-expected profit as the No. 2 computer maker gained market share in personal computers and sold more of its highly profitable ink supplies, sending shares higher by 4 percent.

Reuters - Ken Lay and Jeffrey Skilling may be guilty of bad business judgment at Enron, but the ruined energy company's two former chief executives never broke the law, their lawyers argued in court on Tuesday.

Reuters - European share markets operator Euronext and New York rival NYSE Group Inc. are looking at merger options as industry players rush to team up, said a source familiar with the matter on Tuesday.

Reuters - The United Auto Workers on Tuesday said its U.S. hourly workers overwhelmingly authorized union leaders to call a strike should bankrupt auto parts maker Delphi Corp. toss out its labor contracts.

Reuters - Visa USA, the largest U.S. credit card association, on Tuesday said its cardholders spent $318.2 billion in the first quarter, 17.4 percent more than a year earlier, with faster growth in online transactions.