61.   USAir Group Inc. canceled its three-year-old marketing alliance with British Airways Plc, intensifying a dispute between the U.S. airline and its largest shareholder.

62.   UBS Securities analyst Samuel Buttrick says a merger between Continental and Delta, which would include the Northwest marketing alliance, would face tough regulatory obstacles.

63.   Wang Laboratories and Microsoft Corp. said Wednesday that they had settled a longstanding patent-infringement lawsuit and formed a broad technical, service and marketing alliance.

64.   Virgin Atlantic already has a marketing alliance with Eurostar that allows its frequent flyers to claim travel on the tunnel trains as well as its airplanes.

65.   Warner Bros. and General Motors Corp., a pair of venerable American business icons, staged a corporate love-in Thursday to launch a four-year marketing alliance.

66.   Will other financially shaky cruise lines fold, merge or form marketing alliances with bigger companies?

67.   Also Friday, the Transportation Department tentatively approved a marketing alliance between United Airlines and bmi British Midland.

68.   American had sought antitrust immunity to form a marketing alliance with British Airways.

69.   Also, Administaff, a personnel management company, expanded a marketing alliance with American Express.

70.   American had sought antitrust immunity to seek a marketing alliance with British Airways.