TechFlame News: According to market data from Gate, the three major U.S. stock indices opened higher. The Dow Jones Industrial Average rose by 0.5%, the S&P 500 Index increased by 0.28%, and the Nasdaq Composite Index gained 0.27%. UnitedHealth Group (UNH.N) surged by 9.4%, as its first-quarter earnings outperformed expectations. Amazon (AMZN.O) climbed 2.1% following an upgraded partnership with Anthropic. Apple (AAPL.O) fell 0.3% as Tim Cook steps down as CEO, with Timothée Chalamet taking over.