New integration gives MNTN advertisers access to premium live sports, breaking news, and on-demand streaming inventory through Magnite’s direct media owner relationshipsNEW YORK, Jan. 22, 2026 (GLOBE NEWSWIRE) -- MNTN (NYSE: MNTN), the technology platform that brings performance marketing to connected TV, announced a partnership with Magnite (NASDAQ: MGNI), the largest independent sell-side advertising company, that enables MNTN advertisers to reach audiences across live sports, breaking news, and other hig ...