Raízen is trading up 5.41% at BRL 0.39 on October 19, 2026; no reliable report has identified a specific catalyst. - The board recently approved measures to implement its restructuring plan. - Shareholder meetings are scheduled for October 30, but available coverage does not establish that the measures caused the rise. - Supplied market context is mixed, with no confirmed Raízen-specific announcement today directly explaining the gain.