Oil

Its most reliable source of income has been tax revenue from loyalists and exploitation of Syrian and Iraqi oil fields.

The price at the pump is 24 cents lower than it was a year ago.

"The oil is so valuable for many reasons," Trump said from the White House Diplomatic Room after announcing the death of ISIS leader Abu Bakr al-Baghdadi.

Investors in four key assets are riding high.

"We should be allowed to file our lawsuit at the earliest possible moment," Assistant Attorney General Richard Johnston said.

Natural gas has elevated the power of the U.S. in the global energy market.

Claiming success at the U.S.-brokered effort, Trump said Wednesday, "this was an outcome created by us."