Investing.com — American Airlines shares dropped more than 3.8% premarket Tuesday after the  United States Federal Aviation Administration said the carrier has grounded all flights nationwide.

The stock is currently trading around the $16.60 per share mark.

American Airlines (NASDAQ:) said in a statement: “Our teams are working to resolve the issue as quickly as possible, and we apologize to our customers for the inconvenience.”

When reacting to a customer on social media platform X (formerly Twitter), the airline replied that it is “currently experiencing a technical issue with all American Airlines flights.”