Maxicare Health Plans of Los Angeles said...

Maxicare Health Plans of Los Angeles said it agreed to sell a 16,000-member health maintenance organization based in Seattle to Good Health Plan of Washington. . . Holly Farms Corp., Memphis, Tenn., said it was extending indefinitely its previous deadline of today for receiving new bids from Tyson Foods Inc. of Springdale, Ark., and ConAgra Inc. of Omaha . . . Southern Pacific Transportation Co. said it will spend $361 million on capital improvements in 1989, including 50 new locomotives, miles of upgraded track and 80 new railroad cars.