Pizza Hut plans to close 250 U.S. restaurants in the first half of this year as its parent company considers a sale of the chain. Yum Brands said Wednesday it’s targeting underperforming Pizza Hut restaurants in its system. Pizza Hut has more than 6,000 U.S. locations. Louisville, Kentucky-based Yum Brands said in November it was conducting a formal review of options for Pizza Hut, which has struggled with outdated stores and growing competition. The chain’s U.S. same-store sales fell 5% last year. Growth has been stronger internationally, where Pizza Hut's same-store sales rose 1%. China is Pizza Hut's second-largest market after the U.S.