英伟达，大跌

Market Performance - On August 19, U.S. stock indices closed mixed, continuing the adjustment trend from the previous trading day. The Dow Jones increased by 0.02%, while the S&P 500 and Nasdaq fell by 0.59% and 1.46%, respectively [3] - Technology stocks faced significant pressure, leading to declines in major indices. The Wande American Technology Seven Giants Index dropped by 1.69%, with Nvidia experiencing a 3.5% decline, marking its largest drop since April 21 [5] Key Company Movements - Nvidia's stock fell by 3.5%, closing at $175.64, which is its largest decline in nearly four months [2][5] - Other major tech companies also saw declines, including Meta down over 2%, and Tesla, Amazon, and Microsoft each down more than 1% [5] - Among Chinese concept stocks, Tencent and Pinduoduo saw increases, while Xiaomi Group dropped over 2%, and JD Group, Meituan, NetEase, and Alibaba fell more than 1% [6] Commodity Market - Precious metals experienced notable declines, with spot gold prices falling by 0.51% to $3315.51 per ounce, and COMEX gold futures down by 0.57% to $3358.90 per ounce. Silver prices also dropped, with spot silver down 1.65% and COMEX silver futures down 1.84% [9] - In the oil market, light crude oil futures for September delivery fell by $1.07 to $62.35 per barrel, a decline of 1.69%, while Brent crude for October delivery decreased by $0.81 to $65.79 per barrel, down 1.22% [11]