[Hong Kong gold stocks open lower, China Gold International drops 3.3%] Hong Kong gold stocks opened lower, China Gold International (02099.HK) dropped 3.3%, Tongguan Gold (00340.HK) fell 2.9%, Shandong Gold (017817.HK), Lingbao Gold (03330.HK), Zijin Gold International (02259.HK), Zijin Mining (02899.HK), and Chifeng Gold (06693.HK) all fell more than 1%. (Jin10)