Mei Ri Jing Ji Xin Wen·2026-01-27 22:20Market Performance - On January 27, U.S. stock indices showed mixed results, with the Dow Jones down 0.83%, the Nasdaq up 0.91%, and the S&P 500 up 0.41% [2] - Technology stocks generally rose, with Intel increasing over 3% [2] - Amazon's stock rose by 2.63%, adding approximately $66.9 billion (about 465.3 billion RMB) to its market capitalization [2] - The S&P 1500 Managed Care Index fell by 18%, marking its largest decline since 1997 [2] Company-Specific Developments - UnitedHealth Group's stock dropped over 19% as the company projected a revenue decline for 2026, marking its first annual revenue contraction in over 30 years [2] - Micron Technology's stock surged over 5% after announcing a $24 billion investment in Singapore over the next decade to build a new NAND flash memory plant [2] - Concerns are rising regarding the prolonged supply tightness in storage chips due to the accelerating AI wave [2] Sector Trends - The semiconductor sector is experiencing unprecedented price increases driven by high demand for memory chips, fueled by significant investments in data center infrastructure [2] - The healthcare insurance sector is facing challenges, particularly highlighted by UnitedHealth's revenue forecast, which is impacting investor confidence [2] Commodity Market - Silver prices rose over 8%, reaching $112.14 per ounce [3] - International oil prices increased, with light crude oil futures up by $1.76 to $62.39 per barrel (a 2.9% increase) and Brent crude oil futures up by $1.98 to $67.57 per barrel (a 3.02% increase) [6]