BY BEN FOX RUBIN

Yum Brands Inc.'s fourth-quarter net income rose 30% as the fast-food company's sales in China continued to grow and U.S. sales improved.

Shares were up 2.4% to $64.71 in after-hours trading Monday as Yum's earnings and revenue beat estimates. As of Monday's 4 p.m. New York Stock Exchange composite trading close of $63.19, down 65 cents, the stock was up 17% over the past three months.

For the past few years, ...