Stock Market News·2025-10-18 06:00Market Reactions to Trade and Policy Announcements - The stock market experienced significant volatility due to President Trump's threats of new tariffs, including a proposed 100% tariff on Chinese imports, leading to a 2.7% drop in the S&P 500 and an 878-point decline in the Dow Jones on October 10, 2025 [2] - Following a shift in rhetoric, where Trump deemed the 100% tariffs "not sustainable" and announced a meeting with Chinese President Xi Jinping, major indices rebounded, with the Dow, S&P 500, and Nasdaq all closing up 0.5% on October 17, 2025 [3][4] Impact on Safe-Haven Assets - Gold prices reached a record high above $4,300 per ounce before retreating to $4,211.48, while silver also saw a decline from an all-time high of $54.47 to $51.20 per ounce as risk appetite returned [2][4] Chipmaker Industry Dynamics - Micron Technology's shares fell approximately 4% in pre-market trading on October 17, 2025, due to ongoing U.S.-China tech tensions and a ban on its products in China, despite analysts from UBS and Citi raising price targets for the company [5] Pharmaceutical Sector Reactions - President Trump's announcement regarding potential government negotiations to lower GLP-1 drug prices, specifically targeting Ozempic, caused shares of Novo Nordisk and Eli Lilly to drop over 6% and 4.3% respectively on October 17, 2025 [6][7] - Despite the market's negative reaction, some analysts suggested that the price negotiations may not fundamentally alter the business models of these companies, viewing the market's response as potentially overdone [8] Broader Market Sentiment - The week highlighted the market's ability to adapt to unpredictable policy announcements, with investors needing to remain agile in response to the fluctuating economic landscape shaped by Trump's statements [10]