Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and Nasdaq Stock Market:
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.