Vistra Corp. is trading 4.1% up at $159.80, extending a multi-day rally. - The continued upward momentum is significantly driven by growing investor interest in Vistra's crucial role in providing power for AI data centers, a theme reinforced by recent partnerships and analyses. - Analysts highlight Vistra's long-term clean energy contracts and the Cogentrix Energy acquisition as key benefits in meeting the increasing AI-driven power demand.