The oil price rally has ground to a halt as investors pull back, Trump promises a flood of OPEC oil, and the global economy shows some signs of slowing down. Washington’s “maximum pressure” campaign led to a spike in oil prices only a week ago, but prices crashed on Friday after Trump tweeted that he “called up OPEC” to tell them to increase production. The seesawing means that price volatility has shot up. The 3 percent decline in oil prices on Friday was the largest single-day decline so far this year. But that came after prices increased by nearly as much at the start of the week when Trump surprised the world by deciding against extending sanctions waivers. As the Wall Street Journal notes , oil prices made multiple daily moves of at least 2.5 percent last week, the first time that has occurred in two months. “It’s been […]