Intervacc is trading at €0.07 (-7.18%), with no clear company-specific catalyst identified for the October 2, 2026 decline. - Its latest identified announcement was planned participation in the Swiss Nordic Bio Conference on October 1; this was an attendance announcement, not a material business event. - The provided market context is positive and does not explain the decline. Available evidence does not establish a cause, and the conference appearance is not a confirmed driver.