Meta大跌超12% 市值蒸发超1.6万亿元！发生了什么？铜期货一度跌超4%

Market Overview - US stock market opened lower, with the Dow Jones up 0.65%, Nasdaq down 1.03%, and S&P 500 down 0.36% [2] - Major tech stocks mostly declined, with Tesla down over 3.9%, Microsoft down 2.7%, Nvidia and Amazon down over 1%, while Google rose 4.8% [4] Company Performance - Meta reported Q3 revenue of $51.2 billion, a 26% year-over-year increase, but net profit fell to $2.7 billion, down 83% from $15.69 billion last year, significantly below analyst expectations [6] - Meta attributed the profit decline to a one-time tax expense of $15.93 billion related to the "Great American Rescue Plan" [6] - For Q4, Meta expects revenue between $56 billion and $59 billion, roughly in line with market expectations [6] - Meta raised its 2025 capital expenditure forecast to $70 billion to $72 billion, up from a previous estimate of $66 billion to $72 billion, amid investor concerns about the returns on AI infrastructure investments [6] - Meta plans to raise at least $25 billion through bond issuance to bolster cash reserves in light of increased spending in the AI sector [6] Commodity Market - Spot gold rose over 1% [6] - COMEX copper futures fell sharply, dropping over 4% at one point and currently down 3.83% [6][7] - Copper mining stocks generally declined, with the US copper index fund down 3%, Teck Resources down 2.8%, Freeport down 2.5%, and copper ETFs down 2.3% [9]