SHANGHAI, China (AFP) — Stocks linked to missing Chinese billionaire Xiao Jianhua tumbled Friday as investors ignored a statement saying business at his vast empire was “normal” following reports of his abduction by security agents. Shanghai-listed companies controlled by Xiao’s Tomorrow Holding dropped by their daily limit on the first trading day after a week-long Chinese new year holiday. Chemical company Baotou Tomorrow Technology Co. sank five percent — the maximum allowed for companies at […]