LSE:MRX 30 January 2026

April 30, 2026, 3:16 PM EDT. The U.S. stock market showed mixed gains Thursday. The Dow Jones Industrial Average led with a 1.3% rise, fueled by Caterpillar's 10% jump after strong earnings tied to AI-related construction demand. The S&P 500 rose 0.4%, and the Nasdaq-100 edged 0.2%, shaped by mixed mega-cap earnings. Alphabet jumped over 9% after Google's Cloud unit reported 63% revenue growth and revealed a large $462 billion backlog in cloud orders. Meta and Microsoft shares fell over 5% amid concerns about their rising artificial intelligence (AI) infrastructure spending, despite beating analyst estimates. Nvidia slipped 4.3% without earnings, pressured by Alphabet shipping AI accelerators to limited customers, signaling growing competition. Oil prices steadied after regional tensions eased. Overall, investors navigated headwinds from AI spending costs against robust earnings growth.