Morningstar is trading at $186.06, down 17.41% in after-hours trading; no verified company-specific announcement explains the October 26 decline. - Morningstar’s third-quarter 2026 results are scheduled for release after the market closes on October 28 and had not been reported at the time of this alert. - The broader market was higher on October 26, offering no explanation for the sharp decline. - No volume or other reliable after-hours trading detail was available, leaving the catalyst unclear.