The class action on behalf of 750 class A shareholders follows the $8 billion Skydance deal’s closing last week GAMCO Investors chairman Mario Gabelli is moving forward with a class-action lawsuit seeking damages for the “unfair and inequitable” merger payout given to Shari Redstone’s National Amusements Inc. and its affiliates in the Paramount-Skydance merger. The suit, filed under seal in the Delaware Court of Chancery on behalf of Gabelli’s Value 25 Fund, its affiliates and approximately 750