HSBC probes China Pinnacle wealth business on costs and control, say sources
By Selena Li, Engen Tham and Sumeet Chatterjee HONG KONG/SHANGHAI (Reuters) -HSBC Holdings Plc is reviewing expenses and operational controls at its China digital wealth business Pinnacle, in a move that could result in layoffs and mark an abrupt reversal of the lender's ambition for the unit,