Tempus AI is trading at $64.59, down 4.67%, amid broader risk-off pressure on technology and AI-linked stocks. - Investors are questioning AI infrastructure spending, while geopolitical tensions are weighing on markets. - No October 22 company-specific catalyst was found; available news coverage lists no company event for that date. - The broader market and sector backdrop is the clearest explanation, rather than a confirmed Tempus-specific event.