Lower oil prices and strong AI-related earnings boosted market sentiment, driving major U.S. indices to record highs. Large-cap technology stocks led the rally as investors rewarded improving profitability and continued AI-driven demand. Amazon reached a US$3 trillion valuation on robust AWS performance, while Palantir’s stronger-than-expected results and raised guidance reinforced confidence in AI software growth. Despite Palantir’s recent rebound, its lower valuation relative to accelerating fundamentals remains a key focus for investors.