Also. . .

* Donaldson, Lufkin & Jenrette Inc. said John Chalsty will step down as chief executive next week after more than 11 years in the position. Joe Roby, 58, president and chief operating officer, will succeed him

* WorldCom Inc. reported fourth-quarter profit that met expectations, driven by Internet and data services and strong sales to companies that use its phone network. Profit at the No. 4 U.S. long-distance company was $142.9 million, or 15 cents a diluted share, compared with a pro-forma loss before charges of $47.9 million, or 5 cents, a year ago.

* Aerospatiale, France’s state-owned aerospace and defense company, said it plans to split its businesses into separate units, such as missiles and aircraft, to prepare for potential pan-European mergers. The company, one of the principal partners in European plane maker Airbus Industrie, said earlier this year that it would create a subsidiary for its plane-making operations to make it easier for Airbus to move next year from a loosely structured partnership to a stand-alone corporation.

* Sumitomo Corp. said it sued former copper trader Yasuo Hamanaka and his boss, Saburo Shimizu, for $7.4 million in the company’s first attempt to reclaim some of the $2.6 billion lost in 1996 on metals trades. The civil lawsuit was filed in Tokyo District Court. The $7.4 million being sought is based on specific money transfers attributed to the two former employees.