GCash owner Mynt secures over 20 cornerstone investors for potentially biggest Philippine IPO

By Yantoultra Ngui and Karen LemaMynt, the parent of Philippine mobile wallet GCash, has lined up more than 20 cornerstone investors including BlackRock NYSE:BLK and T. Rowe Price NASDAQ:TROW for its planned initial public offering, according to a preliminary prospectus seen.The IPO coul…