James Dinan’s new favorite is American Airlines Group Inc (NASDAQ:AAL), the company that runs American Airlines, Inc. During the quarter, Dinan has increased his investment in the company by roughly 30%, taking it to 18,4 million shares, which are valued at $791 million. American Airlines Group Inc (NASDAQ:AAL) is also among the favorites of David Tepper, the manager of Appaloosa Management LP. The fund reportedly owns 11.6 million American Airlines Group Inc (NASDAQ:AAL) shares, which are valued at $500 million and account for 7% of Appaloosa’s equity portfolio.