Bank stocks in Hong Kong fell, with regional banks leading the decline. Bank of Tianjin (01578.HK) fell more than 3%, Bank of Zhengzhou (06196.HK) fell 2.5%, China CITIC Bank (00998.HK), Bank of Communications (03328.HK), Bank of China (03988.HK) and Agricultural Bank of China (01288.HK) fell more than 1%.