Among the earnings stories for Tuesday, May 5, from AP Financial News: Top stories: UNDATED (AP) ¿ Centex Corp. cut its loss nearly in half in the most recent quarter, but the homebuilder's results still were twice as bad as Wall Street expected. Other stories: TROY, Mich. (AP) ¿ ArvinMeritor Inc. on Tuesday reported a $47 million fiscal second-quarter loss, reversing a year-ago profit, as the vehicle parts maker struggled with low demand for its products amid tough times for automakers. NEW YORK (AP) ¿ Health Web site operator WebMD Health Corp. on Tuesday reported a profit for the first quarter, and its results generally met Wall Street expectations. BIRMINGHAM, Ala. (AP) ¿ HealthSouth Corp., a provider of inpatient rehabilitation services, said Tuesday its first-quarter profit nearly tripled, mostly due to reduced legal expenses. MILWAUKEE (AP) ¿ Molson Coors Brewing Co. said Tuesday its first-quarter profit more than doubled, though sales of its beers fell in its stronghold of Britain and stagnated in Canada. In the U.S., profits rose in its MillerCoors joint venture, even as sales of flagship Miller Lite continued to fall.