Also. . .

* Live Entertainment said it will be renamed Artisan Entertainment. The film and video company, which will relocate in May to Santa Monica from Van Nuys, added that Allen & Co. director John Josephson was named to its board of directors.

* South San Francisco-based COR Therapeutics Inc. stock surged $9.84 to close at $22.31 on Nasdaq after the Food and Drug Administration indicated it would approve the company’s blood-clot-fighting drug Integrelin for use on patients with unstable angina and other acute coronary syndromes.

* Beverly Hills-based Hilton Hotels Corp. said Chairman Barron Hilton may sell as many as 24 million shares, or almost half the shares he controls, worth about $760.7 million and held by a charitable trust. The shares represent about 9.7% of the hotel and casino company’s outstanding stock.