Xin Hua Cai Jing·2026-02-28 02:44Market Overview - The New York stock market opened lower on February 27, with all three major indices closing down due to the weakness in heavyweight tech stocks like Nvidia and rising inflation concerns [1] - The Dow Jones Industrial Average fell by 521.28 points to close at 48,977.92, a decline of 1.05% [1] - The S&P 500 index decreased by 29.98 points to 6,878.88, down 0.43% [1] - The Nasdaq Composite Index dropped by 210.171 points to 22,668.212, a decline of 0.92% [1] Sector Performance - Among the eleven sectors in the S&P 500, nine rose while two fell [1] - The healthcare and energy sectors led the gains with increases of 1.77% and 1.68%, respectively [1] - The technology and financial sectors experienced declines of 2.17% and 1.99% [1] Economic Indicators - The U.S. Labor Department reported that the Producer Price Index (PPI) for final demand rose by 0.5% month-over-month in January, exceeding the market consensus of 0.3% [1] - The year-over-year PPI increase was 2.9%, higher than the expected 2.8% but lower than the previous month's 3% [1] - The core PPI, excluding food and energy, rose by 0.8% month-over-month, significantly above the expected 0.3% and the previous month's 0.4% [1] - The year-over-year core PPI increase was 3.6%, slightly below the prior month's 3.7% [1] Corporate Actions - Over 200 publicly traded companies have authorized stock buybacks in February, with the total buyback authorization amount reaching $233.3 billion, a historical high [2] - Block Inc. announced a significant reduction in workforce from over 10,000 to under 6,000 due to automation driven by artificial intelligence, resulting in a 16.82% increase in its stock price [3] - Nvidia's stock price fell by 4.16% following a previous decline of 5.46%, negatively impacting market sentiment and tech stock performance [4] - Dell Technologies reported better-than-expected earnings for Q4 2026 and projected over 100% growth in AI server revenue for FY 2027, leading to a 21.93% increase in its stock price [4]