...they buy low sell high...and also sell to control the price...

  1. 30,559 Posts.
    lightbulb Created with Sketch. 646
    ...they buy low sell high...and also sell to control the price as an anti inflationary measure.
    The US is a net exporter of oil...can build up stocks quite quickly..
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.