NYSE Owner to Invest Up to $2 Billion in Polymarket The Wall Street JournalNYSE Owner to Invest $2 Billion in Betting Platform Polymarket Yahoo FinanceNYSE Parent To Invest $2 Billion In Polymarket, Bookies Slide Investor's Business DailyNYSE-owner Intercontinental Exchange rises after it takes $2 billion stake in Polymarket CNBCNYSE parent nears deal for $2 billion stake in Polymarket, WSJ reports Reuters