On Thursday, oil prices fell. This was due to the three day rally of protesting the high oil prices that had been going on.
http://www.cnbc.com/2016/06/08/oil-prices-near-2016-highs-as-us-crude-inventories-drop.html
http://www.cnbc.com/2016/06/08/oil-prices-near-2016-highs-as-us-crude-inventories-drop.html