Vistra gains on raised 2026 profit outlook

** Shares of U.S. utility Vistra Corp VST.N up about 2% at $204.53

** Company raises 2026 adjusted EBITDA outlook and unveils plans to boost nuclear capacity by 2030 as it positions itself for a surge in U.S. electricity demand

** It lifts 2026 adjusted EBITDA midpoint forecast to about $6.8 billion, excluding contributions from the seven natural gas plants it acquired in May

** VST expects to add more than 600 megawatts of nuclear generation by mid-2030 to support rising electricity needs, particularly from data centers and AI-related industrial growth

** However, company posts lower Q2 profit on higher operating and interest costs

** VST posts Q2 net income of $327 million compared with $467 million, a year ago

** Including session's moves, VST shares up 48.3% YTD