Painful reckoning looms for Puerto Rica bondholders By: CNBC.com News July 23, 2014 at 07:30 AM EDT Momentum is building toward a deal that would make painful losses inevitable for investors holding about $20 billion in Puerto Rican bonds. Read More >> Related Stocks: American Airlines Gp American International Group Assured Guaranty Ltd Blackstone Inc MBIA Inc Oppenheimer Holdings