科技股获逢低买盘英伟达涨近3%，挪威邮轮暴泻超10%，美债遭猛烈抛售，白银跳水跌超3%

Market Overview - The three major U.S. stock indices showed mixed results, with the Dow Jones Industrial Average down 0.15% to 48,904.78, while the Nasdaq rose 0.36% to 22,748.86, and the S&P 500 increased by 0.04% to 6,881.62 [1][2] - Concerns over ongoing Middle East conflicts are impacting global trade and inflation, leading to a decline in stock futures by over 1% before the market opened [1] Technology Sector Performance - Major tech stocks experienced a rebound, with Nvidia up 2.93%, Microsoft up 1.48%, and Meta up 0.83%. Apple and Tesla both saw a slight increase of 0.20% following the release of new products, including the iPad Air and iPhone 17e [3][4] - Conversely, Amazon fell by 0.77% and Google dropped by 1.63% [3][4] Defense and Commodity Stocks - Defense stocks received a boost, with Lockheed Martin rising 2.5% and Palantir increasing by 5.6%, as investors shifted towards safer assets amid market uncertainty [5] - Gold and silver prices rose, benefiting mining stocks such as Gold Rush and Barrick Gold, which both saw increases of over 2% [5] Cryptocurrency Stocks - Cryptocurrency-related stocks, including Coinbase and Strategy, rose by over 5% due to a rebound in Bitcoin prices [6] Geopolitical Impact - The ongoing conflict in the Middle East, particularly following U.S. military actions against Iran, has raised concerns about potential disruptions to oil supply and increased inflationary pressures [8][9] - Oil prices surged significantly, with WTI crude oil futures rising by 6.28% to $71.23 per barrel, and Brent crude oil futures increasing by 6.68% to $77.74 per barrel [11] Economic Data - The ISM manufacturing index for February fell to 52.4, slightly above expectations, while the final reading for the S&P Global U.S. manufacturing index was revised to 51.6, still below January's 52.4 [10]