Vistra Corp (VST) Stock in Focus on Dec. 18, 2025: PJM Capacity Auction Windfall, AI-Demand Volatility, and Fresh Wall Street Forecasts
Vistra Corp. shares fell 7.77% to $159.97 on Dec. 17 before rebounding to about $163.50 pre-market Thursday. The drop followed renewed doubts about long-term AI-driven power demand, despite PJM’s latest capacity auction clearing at a record $333.44 per MW-day. Vistra reported clearing 10,566 MW in the auction, signaling significant future revenue exposure to the high price.