HYUNDAI-KIA: An 11% Sept. increase drives 0.9% Q3 gain

LOS ANGELES — Combined U.S. car and light-truck sales at Korean corporate siblings Hyundai, Kia and Genesis rose 11 percent in September and 0.9 percent for the third quarter.Kia posted its best retail sales for any September since entering the U.S. in 1994 as well as its best retail quarterly sales performance ever, the company said.Hyundai also posted strong retail volume last month and in t