U.S. President Donald Trump on Thursday proved that words can be just as powerful as actions — at least temporarily — after his promise to ask the Saudis and OPEC to lower the cost of oil led to a downturn in crude prices.

President Donald Trump said Thursday that he would call on Saudi Arabia and OPEC to lower oil prices, claiming that the war in Ukraine would end if prices dropped. “I am also going to ask Saudi Arabia and OPEC to bring down the cost of oil,