NuCana is trading at $1.07, down 6.14% from its October 7 close of $1.14, with no clear company-specific announcement or reliable report explaining the pre-market decline. - Supplied pre-market context shows major U.S. indices down roughly 0.3%–0.7%; this may add pressure but does not establish a direct cause for NuCana’s move. - European patent news was announced September 30, not during this session.