SEOUL, South Korea (Aug. 19)—Hankook Tire Co. Ltd. reported triple-digit increases in operating and net earnings for the first half of 2003 as sales rose 13.9 percent. For the period ended June 30, Hankook's operating income rose 127 percent to $83.3 million and net earnings were up 123 percent to $53 million. Sales climbed to $706 million. As a result, the operating and net earnings/sales ratios rose to 11.8 and 7.5 percent, respectively. The company did not comment on the results.