A-shares gold concept slips early: Laisentongling and Zhaojin Gold fall more than 3%, while Xiaocheng Technology, Baiyin Nonferrous, and Shandong Gold fall more than 2%. The Federal Reserve announced a 25-basis-point rate hike to 3.75%-4.00%, sending precious metals markets tumbling across the board. #A股 #黄金 #Federal Reserve rate hike