Shares of cell carriers and other telecommunication companies fell Monday after SpaceX agreed to buy spectrum licenses from EchoStar, expanding its presence in the cellphone market. T-Mobile shares ...

EchoStar (SATS) to sell 3.45 GHz and 600 MHz spectrum licenses to AT&T for approximately $23 billion. Boost Mobile will continue to compete in the U.S. wireless market as a hybrid MNO, offering ...