Stock Market Today, Dec. 18: Trump Media Surges on All Stock Merger With TAE Technologies

Today, Dec. 18, 2025, investors weigh Trump Media’s sudden leap from social media into fusion energy and AI infrastructure.NASDAQ : DJTTrump Media & Technology GroupToday's Change( 41.93 %) $ 4.39Current Price$ 14.86Key Data PointsMarket Cap$2.9BDay's Range$ 12.71 - $ 15.2052wk Range$ 10.18 - $ 43.46Volume100MAvg Vol5.8MGross Margin-14937.33 %Trump Media & Technology Group (DJT +41.93%), which operates Truth Social, a social media platform for free speech, closed at $14.86, climbing 42% during Thursday’s se ...