Price Action, S&P Upgrade, 2026 Forecasts, and What Analysts Are Watching (Dec. 12, 2025)
Vistra Corp. (NYSE: VST) is back in the spotlight on Friday, December 12, 2025, as the “AI power demand” trade continues to reshape how investors value U.S. power producers with scale in Texas and the Mid-Atlantic. After a sharp move higher earlier this week, Vistra stock is now seeing profit-taking and headline-driven volatility, while analysts and credit agencies point to a business that’s trying to lock in long-duration cash flows from nuclear and expand flexible generation to meet surging load growth.
As of the latest update on Dec. 12, Vistra shares were trading around $171.82, down roughly 1.6% on the day, after opening near $175.20 and swinging between $167.71 and $179.77.
Below is a detailed, publication-ready roundup of…
