U.S. energy companies added oil rigs for the third time in four weeks as crude prices drifted from a three-year high hit earlier this year amid concerns of a trade war between U.S. and China. Drillers added 11 oil rigs in the week to April 6, bringing the total count up to 808, the highest level since March 2015, General Electric Co’s Baker Hughes energy services firm said in its closely followed report on Friday. This was the biggest weekly addition in about two months. The U.S. rig count, an early indicator of future output, is much higher than a year ago when 672 rigs were active. Energy companies have been steadily increasing spending since mid-2016 when crude prices began recovering from a two-year crash. U.S. crude futures traded […]