(AGI) Rome, Sept 25 - Asian stock markets closed mixed onThursday. Tokyo gained 1.28 percent after remaining closed onWednesday for a national holiday. Hong Kong slid 0.64 percentto a nine-week low as pro-democracy demonstrations continued,with an occupation of Hong Kong's financial district plannedfor Oct 1. Shanghai rose 0.07 percent and Seoul fell 0.08percent. . .