Stock Market Today, Jan. 13: American Airlines Falls After Delta Outlook and Credit Card Rate Cap Concerns

Core Viewpoint - American Airlines' stock declined by 4.06% due to concerns over loyalty program economics, potential credit card interest rate caps, and a mixed earnings report from Delta Air Lines [1][2][4]. Company Summary - American Airlines Group closed at $15.35, down 4.06%, with a market capitalization of $11 billion [2]. - The stock has fallen 20% since its IPO in 2005, with a trading volume of 82.2 million shares, significantly above the three-month average of 56 million [2]. - The gross margin for American Airlines is reported at 19.99% [2]. Industry Summary - The S&P 500 and Nasdaq Composite experienced slight declines of 0.20% and 0.10%, respectively, while the airline sector saw Delta Air Lines and United Airlines drop by 2.38% and 0.76% [3]. - Delta's mixed earnings report raised concerns across the airline industry, particularly regarding its guidance falling below Wall Street expectations and a reported 3% decline in airfares in December [5].