NuCana is trading at $1.07, up 5.94% after-hours versus the regular-session close, with no company-specific announcement explaining the move identified in available search results. - NuCana’s latest listed release was its September 30 patent announcement, not a same-day catalyst. - Broad-market futures were sharply lower, opposite NuCana’s after-hours direction; market sentiment does not clearly explain the gain. - After-hours volume or activity details were not provided.