Businessmen jumpy after Chinese tycoon's disappearance from HK

By Julie Zhu, Venus Wu and James Pomfret HONG KONG (Reuters) - The mysterious disappearance from Hong Kong of Xiao Jianhua, a China-born billionaire, has sent a chill through mainland business circles linked to the city, and some are looking to move their assets, say financiers, lawyers and Chinese businessmen. Hong Kong, a global financial centre, has served as a major hub for Chinese capital since the former British colony returned to Chinese rule in 1997, with a raft of Chinese IPOs and a wea