41.   Kaiser Aluminum Corp. said it agreed to buy two aluminum plants in Virginia and Illinois from rival Reynolds Metals Co. for an undisclosed price.

42.   Jarvis and eight silent partners, mostly from the Kansas City area, formed Strasburg-Jarvis Inc. to buy Strasburg for an undisclosed price.

43.   Laidlaw Inc. will buy a group of school bus companies from closely held Vancom Transportation for an undisclosed price, Vancom said.

44.   Late last year, it bought Saco Defense of Maine, a maker of grenade launchers and light military weapons, for an undisclosed price.

45.   Lennar purchased the land, widely considered a prime site, from Prudential in August for an undisclosed price.

46.   Lilly late today completed the sale of Hybritech Inc., a San Diego-based unit, to Beckman Instruments Inc. for an undisclosed price.

47.   Last month, media giant Times Mirror Co. bought the Santa Monica, California, concern for an undisclosed price.

48.   Last September it acquired a majority interest in Celma, a Brazilian jet-engine overhaul and repair company, for an undisclosed price.

49.   Lojas Arapua SA, the largest Brazilian retailer of home-entertainment goods, said it agreed to buy bankrupt retail chain Casa Centro SA for an undisclosed price.

50.   Montgomery Ward said it is close to a definitive agreement to sell Signature to HFS Inc for an undisclosed price.