Oil prices fell on Wednesday after industry data showed a surprise build in crude oil 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.U.S. crude stocks clocked a surprise rise in the most recent week while gasoline and distillate inventories also rose, data from industry group the American Petroleum Institute shows.”Oil fell from its highest close in almost three months after the API inventory reported a build bearish to consciences while uncertainly over the December tariff deferral added to the soft tone,” Stephen Innes, chief Asia market strategist at AxiTrader, said, referring to U.S. crude’s close on Dec. 10.