The U.S. crude oil price benchmark, West Texas Intermediate, fell 8% to less than $68 a barrel, the lowest level since last week. The global Brent crude price benchmark likewise fell about 8%. Major stock indexes ended the day in positive territory.

U.S. crude oil futures rallied more than 6 percent to peak at $78 a barrel, more than $1 higher than the price on Jan. 20 when Trump was inaugurated. That jump is likely to filter through to gasoline prices just as drivers prepare to hit the road for the long July 4 weekend next week.