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Earnings roundup: Carnival, CarMax

The Associated Press

Among the earnings stories for Thursday, Dec. 20, from AP Business News:

— CarMax Inc. posted a 15 percent increase in third-quarter profit as improved inventory, financing and more confident consumers drove up sales of used cars.

— Cruise operator Carnival Corp. said that its fiscal fourth-quarter net income fell 57 percent, hurt by lower ticket prices and higher fuel costs.