Nuclearelectrica is trading 4.16% lower at RON 50.70, alongside weak sentiment across the Bucharest market. - The BET index fell 2.21% on September 28, 2026; Nuclearelectrica’s decline was larger. - Reviewed sources identified no new company-specific announcement directly explaining the move. Earlier reactor-outage reports are prior context, not a confirmed catalyst for this session. - Price context shows losses across recent sessions, but no volume or trading-activity data.