Ebbers Departs but Doubts Remain at WorldCom

The long, storied Ebbers era at WorldCom (WCOM Quote) ended Tuesday as the debt-saddled telco sought to regain credibility with investors after a bruising 2002 selloff.

Investors said there were plenty of areas in which successor John Sidgmore could improve the Clinton, Miss., long distance and data services provider. But it was apparent that Wall Street didn't expect any management shuffle -- even this high-profile shocker -- to create a sea change in an increasingly troubled telecom business. ...