Brent crude oil was largely unchanged in London trading Monday, with activity reduced by the Presidents Day holiday in the U.S. and a high profile industry event. Brent crude for April delivery was trading down just 3 cents at $109.05 a barrel on ICE Futures Europe. U.S. crude-oil futures were trading up 43 cents at $100.73 a barrel on the New York Mercantile Exchange. The Nymex contract continues to be underpinned by cold weather in the U.S. that has boosted demand for oil products. The front-month contract topped $100 a barrel last week for the first time in 2014 and has mostly held above that mark since. Nymex’s strength is also supporting the price of Brent, with imports of crude oil into the U.S. rising slightly to meet the cold-weather demand. The front-month Brent contract has now traded near the top of its recent $100-$110 a barrel range for […]