Sarepta soared 50% after the FDA lifted its pause on Elevidys shipments. Nvidia, HPE, Citi, and EQT also saw heavy after-hours activity. Nvidia rose on China tariff extension hopes. HPE gained on Subaru's AI deal. Citi traded flat despite a new elite card. EQT rose on oil prices and insider buys. Stocktwits buzz was strongest for SRPT and NVDA.