He posted the corresponding post on his Twitter page.

“Saudi Arabia and Russia are arguing over the price and level of oil production. This, as well as false media, is the reason for the fall of markets, ”he wrote.

Saudi Arabia and Russia are arguing over the price and flow of oil. That, and the Fake News, is the reason for the market drop!

- Donald J. Trump (@realDonaldTrump) March 9, 2020

March 9, the main US stock indexes opened with a fall of 7%.

Prior to this, the collapse of European exchanges was reported, including the German Dax - 8%, the British FTSE 100 - 9.5%, the French CAC 40 - 6.4%, the Italian FTSE MIB - more than 11%.