Mirion Technologies is trading 6.6% higher now at $15.90 in after-hours trading, with no specific cause established. - Shares closed at $14.91 on October 22 after a 2.96% regular-session decline, before a sharp after-hours rebound. - Mirion’s press-release page has no October 22 announcement; the latest listed releases are dated October 20 and October 15. - Third-quarter results are scheduled for October 27, so earnings were not released after the October 22 close.