A vicious dispute on certain stock message boards actually involves the chief executive of a publicly traded corporation and a longtime business journalist. Read more..

By DAN MITCHELL - The New York Times

When it comes to new and emerging technologies like satellite radio, what exactly constitutes competition? Read more..

By JOE NOCERA - The New York Times

The trial over the patent for the drug Plavix will be critical for Bristol-Myers, which derives nearly a third of its revenue from it. Read more..

By STEPHANIE SAUL - The New York Times

Richard A. Musgrave was an economist who has been called the father of modern public finance. Read more..

By MARY WILLIAMS WALSH - The New York Times

The insurer agreed to pay an estimated $1 million to settle a lawsuit by a Mississippi Gulf Coast resident whose house was destroyed. Read more..

By JOSEPH B. TREASTER - The New York Times

State prosecutors have demanded Eli Lilly turn over information about the way it promoted the drug Zyprexa. Read more..

By ALEX BERENSON - The New York Times

Although the dollar has lost a lot of ground, the nation’s trade imbalance with the world has continued to rise. Read more..

By EDUARDO PORTER and MARK LANDLER - The New York Times

Two former N.Y.S.E. traders were each sentenced to six months in prison and fined $250,000. Read more..

By BLOOMBERG NEWS - The New York Times

Citigroup’s operating profit rose 3.2 percent, led by a solid trading performance, improvement in its consumer business and big gains from its alternative investment unit. Read more..

By ERIC DASH - The New York Times

Chinese police have detained 22 people from several large companies, including ABB, McDonald’s, McKinsey & Company and Whirlpool. Read more..

By DAVID BARBOZA - The New York Times