Also. . .

* WorldCom Inc. sold $6.1 billion in debt to finance its planned $37-billion acquisition of MCI Communications Corp., matching a record for the biggest corporate bond offering ever. The offering met with strong demand from international investors who are eager to own bonds issued by the fourth-largest U.S. long-distance telephone company.

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* USX Corp., the biggest U.S. steelmaker, has agreed to pay $30 million to clean up the Grand Calumet River in Indiana as part of a $54.9-million environmental settlement, the Justice Department said. Authorities had accused USX of illegally discharging contaminated waste water.

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* Tenneco Inc., the Greenwich, Conn.-based maker of Monroe shock absorbers and Walker mufflers, said it might buy an equity stake of as much as 30% in an unidentified Japanese auto-parts maker as a springboard for expansion in Asia.