盘前：美股股指期货探底反弹 纳指期货现涨0.51%

Market Overview - Global markets experienced a decline due to concerns over the disruptive effects of AI and the substantial investments required, leading to significant sell-offs in U.S. stocks, which further spread globally [1][2] - The S&P 500 index futures rose by 0.52%, while the Dow and Nasdaq futures increased by 0.60% and 0.51% respectively, after initially dropping over 1.6% [1] - The MSCI All Country World Index is expected to record its worst weekly performance since mid-November, with a weekly decline of approximately 1.6% [1] AI Spending Concerns - Amazon announced a capital expenditure plan of $200 billion for AI infrastructure, significantly exceeding Wall Street expectations, which caused market shockwaves [2][15] - The combined expected AI spending from Amazon, Microsoft, Google, and Meta is around $600 billion this year, raising concerns about the costs associated with the AI boom [2][15] Market Sentiment and Reactions - The S&P 500 Software and Services Index fell by 4.6%, with a total market value loss of about $1 trillion since January 28, leading to the term "software-mageddon" being used to describe the sell-off [3][16] - There is a notable market rotation occurring, with the Nasdaq underperforming compared to the S&P 500 and traditional consumer staples stocks gaining traction [3][16] Cryptocurrency and Commodities - Bitcoin rebounded by 3.9% after experiencing its worst single-day performance since June 2022, stabilizing around $65,000 [2][19] - Gold and silver prices have been volatile, with gold futures expected to rise by 3% this week, while silver dropped by 4.1% to $73.56, with expectations of a cumulative decline of over 6% for the week [19][20] Economic Indicators - Initial jobless claims in the U.S. surged, further dampening market sentiment, and U.S. Treasury yields fell to a three-week low [17] - The market is increasingly betting on a potential interest rate cut by the Federal Reserve, with the probability of a 25 basis point cut rising to 20.7% for the March meeting [5][18]