Within hours, the prices of oil in the world market fell further

 Oil prices on the global market fell further within hours, British crude fell below $87, US crude fell to $84 per barrel.  According to the details, the price of crude oil has further decreased during the business in the global market.  According to media reports, it is likely that OPEC will not reduce oil production further, so the price of crude oil per barrel has decreased by more than two dollars in the global market during the business.