FORT WORTH, Texas, August 16, 2026, 11:08 CDT American Airlines stock dropped 7.0% over the past week, ending Friday at $14.83. The company's adjusted net margin for the second quarter stood at 0.59%, compared with Delta's 5.81%. Leadership shifts have renewed focus on the airline’s profit disparity. Shares of American Airlines Group Inc. (NASDAQ:AAL) dropped…