SEOUL (Reuters) - Hyundai Motor (005380. KS) posted a 68 percent plunge in quarterly net profit, missing an analyst consensus by a large margin as U.S. recall costs weighed. FILE PHOTO: A worker fixes the Hyundai logo on a vehicle at a plant of Hyundai Motor in Asan, south of Seoul, February 9, 2012. REUTERS/Lee Jae-Won/File Photo Shares in the automaker tumbled as much as 10 percent. <br />
