Yahoo Finance·2025-09-21 23:44Group 1 - US stock futures declined by approximately 0.4% following a week where the Dow Jones Industrial Average and S&P 500 reached all-time highs [1][2] - The Federal Reserve's recent quarter-point interest rate cut has led to discussions on Wall Street regarding its potential impact on market stability and the labor market [2] - Investors are anticipating the upcoming personal consumption expenditures (PCE) price index report, which is expected to show persistent pricing pressures while remaining manageable for the Fed's policy [3] Group 2 - Micron Technology is under scrutiny as investors await updates on AI-driven demand and revenue guidance following a recent increase [4] - Costco is also being monitored as a key indicator of consumer spending patterns during the earnings reporting period [4] - BYD's stock fell significantly after reports indicated that Warren Buffett's investment firm sold its entire stake in the Chinese electric vehicle manufacturer [4] - Samsung Electronics' stock rose over 5% after announcing a deal with Nvidia for the use of advanced memory chips, marking a significant development for the company [6]