美股集体下跌，携程重挫18%，“妖镍”直线急升，加密货币反弹，超13万人爆仓

Market Overview - The US stock market experienced a collective decline, with the Nasdaq index dropping over 1% as of 23:00 [1] - The Dow Jones, Nasdaq, and S&P 500 indices closed at 49,053.74, 23,439.32, and 6,915.36 respectively, with declines of 0.28%, 1.14%, and 0.69% [2] Technology Sector - The technology sector saw significant losses, particularly in chip stocks, with ARM falling nearly 5% and other major companies like Nvidia and Marvell Technology declining around 2% [2][3] - The "big seven" tech companies in the US all experienced declines [2] Chinese Stocks - Several popular Chinese stocks faced downturns, with Ctrip initially plunging 18% due to an investigation by the market regulator for alleged monopolistic behavior [4] - Other Chinese companies like Dada Group and New Oriental also saw declines of over 3% [4] Precious Metals - Silver prices surged, breaking through $92 per ounce, marking a 28.6% increase year-to-date [5][6] - Gold prices also rose, reaching over $4,640 per ounce, with a 7.32% increase since the beginning of the year [6] Cryptocurrency Market - The cryptocurrency market rebounded significantly, with Bitcoin rising over 4% and Ethereum nearly 6% [8] - Over 130,000 traders faced liquidation in the past 24 hours, indicating high volatility [8][10] Economic Indicators - Despite lower-than-expected CPI data, the US stock market declined, reflecting concerns over political uncertainty, potential inflation rebound, and high valuation levels in the market [12][13] - The current valuation levels of US stocks, particularly in the tech sector, are perceived as high, leading investors to lock in profits and shift towards defensive strategies [13]