Stocks making the biggest moves premarket: Alibaba, EchoStar, Micron & more

Check out the companies making the biggest moves premarket: EchoStar — Shares rose nearly 4.5% after the Federal Communications Commission approved the company's $40 billion sale of wireless spectrum to AT & T and SpaceX. The company is selling 50 megahertz of its spectrum to AT & T and 65 megahertz to SpaceX. Alibaba — U.S.-listed shares of the Chinese e-commerce giant fell 3% after the company posted an 84% plunge in Q1 profit. Alibaba also reported heavy investments in AI. …