Warner Bros. Discovery said Wednesday it wrote down the value of its TV assets due to the uncertainty of fees from cable and satellite distributors and sports rights renewals, sending its shares down nearly 10% in extended trading.The film and entertainment studio, which owns sports network TNT and streaming service Max, recorded a $9.1 billion non-cash goodwill charge in the second quarter. This charge, stemming from a reassessment of the assets’ value since the merger of WarnerMedia and Discovery, contrib ...