SEOUL, South Korea (AP) — Share prices were mixed in Asia on Thursday, with Japan and Australia leading gains after U.S. indexes stabilized overnight. KEEPING SCORE: Tokyo's Nikkei 225 jumped 1.5 percent to 22,498.03 and Australia's S&P/ASX 200 rose 0.5 percent to 5,977.70. Hong Kong's Hang Seng index reversed earlier losses, adding 0.2 percent to 28,283.07.