Korean stocks started lower Friday after a 10 percent gain the previous session as a prolonged Iran crisis rekindled oil supply woes. Opening 1.66 percent lower, the benchmark Korea Composite Stock Price Index (KOSPI) lost 24.51 points, or 0.44 percent, to 5,559.39 in the first 15 minutes of trading. The index has suffered an extreme rout this week in the wake of the Middle East conflict, tumbling 7.24 percent and 12.06 percent on Tuesday and Wednesday, respectively, before soaring 9.63 percent Thursday. Overnight on Wall Street, U.S. stocks fell as the extending Middle East conflict pushed up oil prices and stirred up worries about inflation. The Dow Jones Industrial Average fell 1.61 percent, and the Nasdaq Composite closed down 0.26 percent. In Seoul, major shares traded in mixed territory. Market bellwether Samsung Electronics lost 2.04 percent, and its chipmaking rival SK hynix declined 1.81 percent. KB Financial Group, a major banking group, dropped 1.68 percent, and leading shipbuilder HD Hyundai Heavy Industries fell 1.25 percent. However, top carmaker Hyundai Motor gained 1.09 perce