美股收跌，道指跌近800点，“中国金龙”跌超1.4%，美油暴涨8.5%

Market Overview - The ongoing conflict in the Middle East has led to a significant decline in U.S. stock indices, with the Dow Jones Industrial Average dropping nearly 800 points, closing down 784.67 points or 1.61% at 47954.74 points [3] - The S&P 500 index fell by 38.79 points or 0.56%, closing at 6830.71 points, while the Nasdaq Composite index decreased by 58.49 points or 0.26%, ending at 22748.99 points [3] Sector Performance - The industrial, materials, and healthcare sectors of the S&P 500 led the decline, reflecting heightened sensitivity to global economic conditions [3] - Notable declines in cyclical stocks included Caterpillar down 3.5%, Boeing down 2.3%, and 3M down nearly 3% [7] Technology Stocks - Technology stocks showed mixed performance, with Broadcom up 4.80%, Microsoft up 1.35%, and Amazon up 0.98%. In contrast, Nvidia rose slightly by 0.16%, while major players like Meta, Apple, and Google saw declines [5][6] Oil Market Impact - Oil prices surged, with light crude oil futures for April delivery rising by $6.35 or 8.51% to $81.01 per barrel, marking the highest closing price since July 2024 [7] - Brent crude oil futures for May delivery increased by $4.01 or 4.93%, closing at $85.41 per barrel [7] - The escalation of conflict has disrupted supply and transportation, leading to production cuts in several major oil-producing countries [8] Economic Indicators - The U.S. 10-year Treasury yield rose for the fourth consecutive trading day, increasing by 5 basis points to 4.132%, with a cumulative rise of over 17 basis points in four days, the largest increase since early July [8] - The two-year Treasury yield also increased by 4.4 basis points to 3.587%, reflecting market adjustments to inflation concerns driven by rising oil prices [9] Employment Data - The U.S. Department of Labor reported that initial jobless claims for the week ending February 28 were 213,000, the highest level since early February but still below market expectations [9][11] - The upcoming non-farm payroll report is anticipated to further influence market perceptions of Federal Reserve policy [12] Gold and Silver Market - Gold prices experienced a decline, with spot gold down 1.2% to $5076.59 per ounce, influenced by rising U.S. Treasury yields and a stronger dollar [12] - Silver prices also fell by 1.8%, closing at $81.91 per ounce [13]