(Bloomberg) -- A senior banker at Nomura Holdings Inc. has been barred from leaving China in a move connected to a long-running investigation of a top dealmaker in the country, the Financial Times reported.Most Read from BloombergChinese Gold Buying Is Driving a Paradigm Shift in BullionIndia-Canada Clash Should Be a Wakeup CallWells Fargo Preps for Wealth Battle After $1 Billion TurnaroundIndians Have Five Days to Deposit $3 Billion in Soon-to-Be-Withdrawn BanknotesCorzine Plans to Shut Hedge F