MDIUY - Mediaset raises ProSieben stake to 20.1% March, 30 2020 01:09 PM Mediaset Spa ADR - Level I Italy's Mediaset (OTCPK:MDIUY) has boosted its stake in German broadcaster ProSieben (PBSFY -2.1%) to just over 20%.More news on: Mediaset S.p.A., Vivendi SA, ProSiebenSat.1 Media SE, Stocks on the move, Read more ...