Magnite is trading at $25.39, up 11.41%, after its November 4 earnings release reported Q3 revenue of $204.2 million, above the provided $190.16 million estimate. - CTV contribution ex-TAC grew 39% year over year, while adjusted EBITDA increased 46%. - Management raised full-year growth, margin, and free-cash-flow outlooks, supporting the after-hours reaction.