China bank shares slump in Hong Kong after Goldman downgrades
By Jason Xue and Summer Zhen SHANGHAI/HONG KONG (Reuters) -Chinese banking shares listed in Hong Kong tumbled on Wednesday after Goldman Sachs downgraded top lenders including Agricultural Bank of China (AgBank) in a report that deepened worries over a sector already suffering from a weak economy. The Hang Seng Mainland Banks Index tumbled 3.6% to…