Sorry, available market cap data for American Airlines (AAL) starts on September 27, 2005. American Airlines (AAL) has a market capitalization of $8.9B, based on 657.13M shares at a price of $13.61 (down 0.2% yesterday).
The closing price for Costco Wholesale (COST) between 2022 and 2023 was $657.12, on December 29. It was up 21.2% in that time. The latest price is $891.45.