Nanobiotix is trading at $28.58, up 10.65%, with no clear company-specific catalyst identified for the October 22 move. - The latest located company news was an October 20 notice about voting rights and share capital; its CFO appointment was announced October 1. - Nanobiotix had also advanced in preceding sessions, while the broader market was lower on October 22. Available evidence does not establish a catalyst for the rise.