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Market Overview - US stock indices opened lower and experienced a significant drop, with technology and gold stocks declining broadly. Chinese concept stocks mostly fell, and precious metals saw a sharp decline, with silver, platinum, and palladium dropping over 10% [1][3][6]. Technology Sector - Major tech stocks showed a downward trend, with only Apple experiencing a slight increase of 0.2%. Nvidia and Tesla both fell over 2%, while other tech giants like Oracle and Sandisk also saw declines [3][4]. Chinese Concept Stocks - The Nasdaq Golden Dragon China Index dropped over 1%, with notable declines in stocks such as Zhengye Technology, which fell over 11%, and Dingdong Maicai, which dropped nearly 9%. Alibaba and Xpeng Motors also saw declines exceeding 2% [4]. Precious Metals Market - Precious metals prices plummeted, with silver experiencing a dramatic drop of over 10%. Silver prices fell to around $71 per ounce, while gold dropped nearly 5% to approximately $4310 per ounce. Platinum and palladium also saw significant declines of over 13% and 15%, respectively [6][7][8]. Oil Market - International oil prices continued to rise, with both WTI and Brent crude oil increasing by over 2%, recovering a significant portion of their previous losses [9][10]. Regulatory Actions - In response to the heightened trading activity in the precious metals market, regulatory measures were implemented to remind investors to manage risks effectively. This included a notification from CME Group regarding increased margin requirements for futures contracts in metals [9].