In the early morning of the 21st, Beijing timeplaytoearncryptogamesmobileapp, U.S. WTI crude oil futures prices closed down on Monday. After the President and Foreign Minister of the Islamic Republic of Iran were killed in a helicopter crashplaytoearncryptogamesmobileappTraders are monitoring developments in the Middle East.

West Texas Intermediate crude (WTI) futures for June delivery fell 26 cents, or 0. 5 cents, on the New York Mercantile Exchangeplaytoearncryptogamesmobileapp.32%, closing at 79 per barrelplaytoearncryptogamesmobileapp.80 dollars.

In addition, in Saudi Arabia, OPEC's largest oil producer, King Salman is receiving treatment for a lung infection.