Oil prices fell on Wednesday after news of a rise in U.S. crude inventories last week, defying analysts’ expectations for a big fall, while concerns about weak demand also resurfaced. Brent crude oil was down 60 cents at $71.56 a barrel by 0750 GMT. The benchmark hit a three-month low on Tuesday. U.S. light crude was down 50 cents at $67.58, not far off Tuesday’s one-month low of $67.03 per barrel. Oil markets have fallen over the last week as Saudi Arabia and other members of the Organization of the Petroleum Exporting Countries and Russia have increased production and as some supply disruptions have eased. Investors have also begun to worry about the impact on global economic growth and energy demand […]