Top Chinese dealmaker Bao Fan is unreachable, according to China Renaissance Holdings Ltd, which is led by Bao as chairman, CEO and controlling shareholder of the investment bank. The stock in the investment firm dipped 28% in Hong Kong on 17 February. The board said it was not aware of "any information that indicates that Bao Fan's unavailability is or might be related to the business and/or operations of the group". The dealmaker's disappearance is the latest in a series of cases of high-profile Chinese executives going missing with little explanation after Xi launched a broad anti-corruption probe in late...