Markets News, Oct. 27, 2025: Major Stock Indexes Close at Record Highs on US-China Trade Optimism; Qualcomm Soars on New Chips for AI Data Centers – Investopedia October 27, 2025 by quixnet Markets News, Oct. 27, 2025: Major Stock Indexes Close at Record Highs on US-China Trade Optimism; Qualcomm Soars on New Chips for AI Data Centers Investopediasource