Mirion Technologies is trading 4.53% lower at $16.00 in after-hours trading as investors weigh mixed outlook signals following its Q3 results. - It closed at $16.76 on October 28; Q3 revenue was $277.8 million, and adjusted EPS of $0.12 matched estimates. - Mirion raised revenue guidance but lowered its adjusted EBITDA ceiling and margin outlook; its adjusted EPS guidance midpoint was below consensus. - Robust orders and nuclear demand were noted, and no separate October 28 company announcement was identified as a clearer catalyst.