Nigeria worries send crude oil prices higher

Crude oil prices were higher on Monday amid concerns that Nigerian oil supplies could be disrupted after the presidential election there. International elections monitors have called the election a failure, citing accusations of vote rigging and demands for new elections from opposition parties there. June contracts for Brent crude added 63 cents to $67.12 per barrel, while West Texas Intermediate crude for June delivery gained 47 cents to $65.58 per barrel.

In early afternoon trade in New York, meanwhile, June Nymex gasoline had added 4 cents to $2.18 per gallon, while heating oil was also 4 cents higher to $1.88 per gallon. Additionally, natural gas was up 10 cents to $7.61 per million British thermal units.