Speculation is mounting over EchoStar’s next steps after the US satellite operator walked away from attempts to buy UK rival Inmarsat, which rejected an improved offer worth about £3.2bn (US$4.3bn). EchoStar is now banned from… Speculation is mounting over EchoStar’s (NASDAQ:SATS) next steps after the US satellite operator walked away from attempts to buy UK rival Inmarsat (LSE:ISAT), […]