Key TakeawaysSphere Entertainment posted a narrower-than-expected loss in its fiscal fourth quarter.Revenue more than doubled year-over-year as the Sphere opened in Las Vegas last September and contributed more than 150 million in Q4.The quarter included part of a 30-show Dead & Co. residency. Sphere Entertainment (SPHR) shares are rocking Wednesday after the iconic Las Vegas venue owner posted a narrower-than-expected loss in its fiscal fourth quarter. The company reported total revenue of 273.4 million, ...