Talen Energy stock whipsaws after $3.45 billion gas-plant deal as PJM power rules shift
New York, Jan 16, 2026, 19:56 EST — After-hours Talen Energy Corp (TLN) shares ended Friday down $47.36, or 11.3%, closing at $371.66 after swinging between $366.22 and $425.85. The shift happens as Washington presses PJM Interconnection, the largest U.S. power grid, to speed up solutions amid rising electricity demand driven by data centers. The White House called on PJM…