Oil lurched to six-month lows on Wednesday after stockpiles of US crude unexpectedly jumped by the most in five weeks to a fresh 22-month high, adding to pressure on prices. West Texas Intermediate, the US crude benchmark, fell $2.51 to $51.01 a barrel — the lowest since January, according to Refinitv data. Brent crude, the global oil benchmark, fell $2.20 to $59.79 a barrel, also the lowest since January. Crude prices had tumbled last month amid concerns that the escalating trade war between the US and China could have a knock-on effect on the health of the global economy and weigh on dema...