美股涨势熄火，热门中概股普涨，国际油价暴跌，甲骨文放榜盘后涨超8%

Market Overview - The US stock market experienced a cooling trend, with the S&P 500 index reversing early gains and declining due to fading hopes for an early end to the US-Israel conflict with Iran, escalating military threats, and ongoing concerns about economic stagflation [2] - The Dow Jones Industrial Average closed down 34.29 points, or 0.07%, at 47,706.51 points; the S&P 500 index fell 14.51 points, or 0.21%, to 6,781.48 points; while the Nasdaq Composite index rose slightly by 1.15 points, or 0.01%, to 22,697.10 points [2] Energy Sector - Oil prices saw a significant drop, with international oil prices plummeting over 11%, marking the largest single-day decline since 2022. Light crude oil futures for April delivery fell by $11.32 to $83.45 per barrel, a drop of 11.94%, while Brent crude futures decreased by $11.16 to $87.80 per barrel, down 11.28% [13] - The US Energy Information Administration (EIA) indicated that Brent crude prices could remain above $95 per barrel for the next two months due to the Iran conflict, before dropping to around $70 by year-end [13] Technology Sector - The technology sector was the only one to gain, with chip stocks generally rising. Nvidia increased by 1.16%, while SanDisk and Western Digital rose by 5.12% and 1.59%, respectively [4] - Major tech companies showed mixed results, with Meta up 1.03%, Amazon up 0.39%, and Apple up 0.37%, while Oracle saw a post-market increase of over 8% after reporting a 22% year-over-year revenue growth to $17.2 billion, exceeding market expectations [5][7] Economic Indicators - The focus for the week shifted to the upcoming February Consumer Price Index (CPI) report, with analysts predicting a 0.2% increase in core consumer prices and a 0.3% rise in overall inflation [10] - Concerns about inflation persist, with expectations that the Federal Reserve may not lower interest rates in the near future due to commodity shortages and rising prices [11] Market Sentiment - Investor sentiment was affected by conflicting reports regarding US naval operations in the Strait of Hormuz, leading to confusion and a loss of market momentum [4] - The S&P software and services index continued to face pressure, dropping 1.7% amid fears of disruptive impacts from artificial intelligence [8]