Rising commodity costs kept weighing on food makers H.J. Heinz Co. and Hormel Foods Corp. in the most recent quarter, even as consumers continued to swallow price increases for their favorite foods according to the Associated Press. Hormel Foods, the maker of Spam and Jennie-O Turkey, said Thursday that its fiscal third-quarter profit fell 9 percent as higher meat, fuel and other costs outweighed price increases and hurt margins. But revenue was up 10 percent, helped in part by the higher prices charged to customers. H.J. Heinz''s fiscal first-quarter profit rose 11 percent, fueled by double-digit sales growth in North America and