Also

* Northrop Grumman Corp. extended its $11.9-billion tender offer for TRW Inc. to June 14 while the two companies try to reach an agreement for a friendly transaction.

* WKI Holding Co., the maker of CorningWare, Ekco, Farberware and Revere kitchenware, said it has filed for Chapter 11 bankruptcy protection and has agreed with its bank group on a restructuring.

* The Mexican government announced that cigarette advertising on TV and radio will be banned starting next year and most of the nation’s pharmacies will phase out the sale of tobacco products starting in June.

* AMR Corp.’s American Airlines said it will start daily flights between Los Angeles and Tokyo next year.

* Dutch telecommunications services company KPNQwest said it would file for bankruptcy after it failed to reach an agreement on the sale of assets.

* US Airways Group Inc. agreed to pay a worker $50,000 and change its policy on men’s hair length to settle a government lawsuit that claimed it didn’t respect the rights of a worker with Rastafarian beliefs, the Equal Employment Opportunity Commission said.

* Former U.S. Secretary of State Henry Kissinger was named European advisor to private equity firm Hicks, Muse, Tate & Furst.