Home Business Oil prices sag on surprise rise in U.S. crude inventories Business Oil prices sag on surprise rise in U.S. crude inventories By Genpie - December 11, 2019 130 0 Facebook Twitter Google+ Pinterest WhatsApp Oil prices fell on Wednesday after industry data showed an unexpected build in crude inventory in the United States and as investors waited for news on whether a fresh round of U.S. tariffs on Chinese goods would take effect on Sunday.