Trump has consistently given Saudi control of oil prices as the reason he doesn’t want to sanction the Saudi crown prince for Jamal Khashoggi's death.
The U.K. government has seriously underestimated the price tag for decommissioning its oil and gas industry.
After a strong start, U.S. stocks abruptly sell off after machinery maker Caterpillar says it doesn't expect to top its first-quarter profit for the rest of the year.
The market claws back more of its massive losses from the previous two weeks.
Critics and observers say the purge targeting princes, officials and businessmen is a power grab by the crown prince to sideline potential rivals.
Many of the oil services companies employed when new fields are developed have been laying off workers, and oil companies have been taking write-downs of their assets.
Some observers have alleged that lower oil prices will slow down the green energy revolution.
It is clear that among the major losers in the fall in the price of Brent crude petroleum are Russia, Iraq and Iran. But the big loser will likely be shale oil producers and prospectors in the U.S.
If oil goes lower and stays there for a while, what are the implications?