The average price of regular gas in Florida has now risen 31 cents a gallon since Monday. The spike in diesel could raise prices for other goods.

President Donald Trump on March 5 said Iran was reaching out to the United States about making a deal amid U.S.-Israel joint strikes on Iran.

Investors are worried over how long the war with Iran could last, how high inflation may go because of more expensive oil and how much damage that might do to corporate profits.