U.S. energy firms increased the number of oil rigs operating for the first time in the past three weeks as U.S. crude futures soared around 10% this week.  Big energy price declines over the prior couple of months, however, prompted one analyst to cut rig count forecasts for 2019 and 2020. Companies added one oil rig in the week to June 21, bringing the total count to 789, General Electric Co’s Baker Hughes energy services firm said in its closely followed report on Friday. That compares with 862 rigs operating during the same week a year ago. The rig count, an early indicator of future output, has declined over the past six months as independent exploration and production companies cut spending on new drilling as they […]