Oil Prices Hold Onto Gains Despite Surprise Crude Build 

Crude oil inventories in the United States unexpectedly rose unexpectedly this week by 4.067 million barrels, the American Petroleum Institute (API) data showed on Tuesday—just one week after seeing the largest dip in inventories ever of 15.4 million barrels. Analysts were expecting a draw of 233,000 barrels in U.S. crude-oil inventories. The total number of barrels of crude oil gained so far this year is nearly 24 million barrels, according to API data, although there is a net draw in crude inventories since April of 23 million barrels.…