Hankook Tire to buy part of Visteon's S.Korean unit for $984 mln

SEOUL, Dec 18 (Reuters) - South Korea's Hankook Tire said on Thursday that it has agreed to buy a 19.49 percent stake in Visteon Corp's South Korean unit for 1.08 trillion Korean won ($983.84 million) to diversify the tire maker's business portfolio.