滚动更新丨美股三大指数集体低开，回声星通信涨超80%

Market Overview - The three major U.S. stock indices opened lower, with the Dow Jones down 0.13%, S&P 500 down 0.07%, and Nasdaq down 0.04% [2][3] Company Highlights - EchoStar Communications surged over 80% following reports that AT&T will acquire spectrum licenses from the company for approximately $23 billion in cash [2][3] - NIO saw an increase of over 5% in its stock price [2] - Eli Lilly's stock rose over 3% after positive results from its Phase 3 clinical trial of the GLP-1 receptor agonist orforglipron, which showed an average weight loss of 10.5% in the treatment group compared to 2.2% in the placebo group [3]