深夜美股三大指数下挫，中概股逆势飘红，小鹏汽车大涨超13%

Market Overview - The U.S. stock market opened lower on August 21, with the Dow Jones down 0.21%, S&P 500 down 0.19%, and Nasdaq down 0.16% as of 23:25 [1] - Popular tech stocks showed mixed performance, with Walmart's latest earnings report falling short of expectations, leading to a stock price drop of over 5% [2] - Chinese concept stocks rose against the trend, with the Nasdaq Golden Dragon China Index increasing by 1.43% [3] Individual Stock Performance - Notable individual stock movements included BOSS Zhipin rising over 8%, NIO and Miniso up over 7%, while Bilibili fell nearly 7% and Pony.ai dropped over 3% [5] - Xpeng Motors saw a significant increase of over 13% after its chairman and CEO, He Xiaopeng, purchased 3.1 million shares at an average price of HKD 80.49 per share, raising his ownership to approximately 18.9% [7] - Xpeng Motors reported a record high quarterly revenue of RMB 18.27 billion for Q2 2025, marking a 125.3% increase year-over-year and a 15.6% increase from Q1 2025 [7] Economic Events - The Jackson Hole Economic Symposium, a significant annual event for the financial sector, took place from August 21 to 23, focusing on the transformation of the labor market and macroeconomic policy [9] - Investors are particularly attentive to potential key statements from Federal Reserve Chairman Jerome Powell, as past meetings have led to significant market movements [10] Federal Reserve Insights - The minutes from the Federal Open Market Committee (FOMC) meeting on July 29-30 revealed a divide between hawkish and dovish members, with some officials expressing concerns about inflation risks [12] - The outlook for the Federal Reserve's policy remains uncertain, with potential for a rate cut in September if upcoming employment and inflation data do not show significant improvement [12] - Powell's cautious stance on inflation during the July meeting and the upcoming Jackson Hole speech are critical for market expectations regarding future interest rate decisions [13][15]