NFE, WBD, Nvidia, BofA, Broadcom see heavy after-hours moves
US stocks saw brisk after-hours trading Monday. Warner Bros Discovery dipped after recent 55% gains tied to takeover buzz. Nvidia slid on China's antitrust probe into its Mellanox deal. Bank of America rose slightly amid leadership reshuffle. New Fortress Energy spiked 30% on debt restructuring hopes. Broadcom gained after Macquarie rated it 'Outperform'.