Talen Energy is trading 4.79% lower at $311.13 as U.S. markets sell off sharply. - The S&P 500, Nasdaq and Dow are all lower; Reuters says Thursday’s market decline reflects worries about AI spending and increased scrutiny of data-center expansion. - Its November 3 earnings showed a GAAP profit decline and an adjusted EPS miss, alongside higher revenue and a stronger outlook; available reporting does not establish earnings as the specific cause of the November 5 move.