Vistra is trading at $146.16, up 4.38%, after reports of a $4.2 billion federal loan to increase output at at least three nuclear stations. - Reuters reported Energy Secretary Chris Wright was expected to announce the loan on October 5, 2026. - The upgrades could raise generation without new NRC licenses. - Market coverage linked the loan reports to Monday’s advance; volume and other activity details were not available in the supplied price context or cited reporting.