Also ...

Ceridian Corp. and Control Data Systems Inc. will pay $28.5 million to settle age discrimination charges by more than 300 former employees. Both companies were created out of the former Control Data Corp., which cut 10,000 employees from 1983 to 1990 as it sold or closed many of its businesses. Neither company admitted wrongdoing. . . . The president of Chicago-based CNA Financial Corp.’s life insurance unit resigned after he was accused of making offensive comments to two female employees. . . . MedPartners Inc. agreed to buy Aetna U.S. Healthcare’s physician-management business, adding to the nation’s largest manager of doctors’ offices. Terms were not disclosed. . . . Mobil Corp. and Saudi Basic Industries Corp., or Sabic, said they will spend $2.5 billion to double the capacity of their petrochemicals project on the Red Sea. . . . Microsoft Corp. is providing a software fix for a security flaw that was discovered in some versions of its Internet Explorer browser.