Saudi Arabia and OPEC's focus is on ensuring long-term market stability to meet growing demand, including from the U.S. and the rise of artificial intelligence, Saudi Minister Alibrahim said. Read also: Saudi summit helped isolate Russia,

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.