1/2 The Boeing logo is pictured at the Latin American Business Aviation Conference & Exhibition fair at Congonhas Airport in Sao Paulo, Brazil August 14, 2018. REUTERS/Paulo Whitaker//File Photo Read More Qatar Airways is weighing a multibillion-dollar investment with a potential order for 30 or more freighters, attracting interest from Boeing Co (BA.N), which has begun offering a freighter version of its future 777X jetliner, the airline's chief executive said. In April, the Gulf carrier said it was interested in a 777X freighter but had not been told by Boeing of any plans to launch one. Bu...