Shares of energy companies rose slightly as oil futures finished the week with a modest gain as Russia banned gasoline and diesel exports, driving up European energy prices.
Oil futures closed above $90 a barrel after a reported decrease in drilling activity. The number of active, oil-targeted rigs fell by eight in the latest week to 507 rigs, the lowest total since Feb. 4, according to the latest tally from oilfield-services firm Baker Hughes.
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