Oil prices rose slightly Friday as tensions in Nigeria, Iran and Saudi Arabia supported supply fears.


Light, sweet crude for April delivery rose 7 cents to $63.43 a barrel in electronic trading on the New York Mercantile Exchange by afternoon Friday in Europe. The contract soared $1.39 Thursday to settle at $63.36 a barrel, a three-week high. Brent crude futures for April rose 14 cents to $64.21 a barrel on London's ICE Futures exchange.


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