General Mills, Heinz, Gilead are market movers General Mills Inc., down $1.44 at $38.34 The maker of Cheerios cereal lowered its 2012 earnings outlook due to softer volume in the U.S. during December and January. Suntech Power Holdings Co. Ltd., up 28 cents at $3.65 The solar panel maker raised the estimate of shipments it made in 2011. H.J. Heinz Co., up $2.37 at $54.47 The ketchup maker said its third-quarter net income rose 4 percent thanks to higher sales and growing momentum in emerging markets. Campbell Soup Co., up 84 cents at $32.90 The canned soup seller said its second-quarter net income fell 14 percent, but its results still beat Wall Street expectations. Clearwire Corp., down 4 cents at $2.21 The wireless data network operator may need to raise more money because it doesn't know how much revenue it'll make from its new network. Gilead Sciences Inc., down $7.81 at $47 The drugmaker said a hepatitis C treatment it recently acquired may have to be used with other drugs in patients with the disease. Kona Grill Inc., down 42 cents at $5.76 The sushi and American grill restaurant said its chief operating officer left for the same job at rival P.F.Chang's China Bistro. Red Robin Gourmet Burgers Inc., up $1.81 at $34.99 A Sterne Agee analyst reiterated her "Buy" rating on the casual restaurant chain's stock due to its strong fourth-quarter earnings.