US airlines tumble amid fear Trump travel ban will spread

Dallas

US airlines tumbled the most in three months as concerns mounted that President Donald Trump's ban on travel from seven predominantly Muslim nations will lead to more restrictions on flights.

Investors are fearful that the US curbs will expand or be answered with retaliation by other nations, said Joe DeNardi, an analyst at Stifel Financial Corp.

Mr Trump already has signed an order to pull the US out of the Trans-Pacific Partnership trade accord and said he wants to restructure a 23-year-old pact between the United States, Mexico and Canada.

"With the US participation in the North American Free Trade Agreement now unclear, we would not be surprised if the US Open Skies agreement is also revisited," Ronald Epstein, a Bank …