ISTANBUL (Turkey), December 2 (SeeNews) – Turkish private equity firm Is Girisim Sermayesi Yatirim Ortakligi [BIST:ISGSY] said it has acquired a 28.5% stake in local data center solutions provider Radore Veri Merkezi Hizmetleri A.S. for 17.5 million Turkish lira ($7.9 million/6.3 million euro).