Donald Trump stated on social media that he instructed the Department of Justice to investigate oil companies for alleged price gouging following declines in crude oil prices. The post referenced Brent crude falling below $75 per barrel amid a US-Iran ceasefire and reduced traffic through the Strait of Hormuz. US average gasoline prices stand at $3.92 per gallon, down from a May peak of $4.56 but above the $3.22 average from one year earlier [The Guardian].