Minneapolis, Best Buy Co. Inc. has signed leases for 28 new stores in 18 states in both existing and new markets, according to the Associated Press. The Minneapolis-based electronics retailer plans to open about 60 domestic outlets during its 2006 fiscal year starting Feb 27. In the first half of its fiscal year, the company expects to enter seven new markets: Bend and Springfield, Ore.; Honolulu; Sioux City, Iowa; St. Joseph, Mo.; Tupelo, Miss.; and Victoria, Texas, the AP reported.