?Crude prices increased on signs that global supplies are tightening. Atlantic basin benchmark North Sea Dated added $1.60/bl to $66.06/bl, while US marker WTI climbed by $1.95/bl to $58.61/bl. The absence of Venezuelan crude in the US Gulf coast market because of sanctions boosted rival heavy sour grades. Colombian Castilla Blend rose by 25c/ bl?relative?to?Ice?June?Brent,?while?Canadian?WCS?priced?in?Houston?frmed?to?a? record premium to Nymex calendar-month average (CMA) WTI.
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