Japan's Minami Katsu took positives from her runner-up finish at the Buick LPGA Shanghai on Sunday as Thailand's world No. 1 Jeeno Thitikul prevailed after five holes in the playoff.Katsu, seeking her first win on the U.S. LPGA Tour, had led after the second round at the par-72 Aon Risk Reward Challenge Hole in Shanghai and improved her overnight two-shot lead by two strokes after the 13th hole in the final round before a dramatic turnaround."I played pretty good golf but she was really good," Katsu said. "I keenly felt my weakness after playing my first playoff since joining the U.S. tour.…READ FULL ARTICLE