parent-to-hbo-and-cnn-announced-in-october-that-it-was-evaluating-potential-sale-scenarios-as-legacy-media-firms-battle-structural-headwinds-any-transaction-involving-the-studio-would-mark-yet-another-major-consolidation-move-in-a-sector-already-transformed-by-the-84-billion-skydance-paramount-global-merger