BUZZ-Oil producers, services providers: Oil prices rise
** Shares of oil producers and oilfield services providers up as oil prices recover
** Petroleo Brasileiro SA up 6.5 pct; Swift Energy Co up 5.6 pct; Stone Energy Corp up 4.3 pct
** Nabors Industries Ltd up 3.9 pct; Halliburton Co up 3.3 pct; Baker Hughes Inc up 2.3 pct
** Oil jumped for a second straight day on Friday, with benchmark Brent crude returning above the $80 level after slipping below it last week, as top petroleum buyer China cut interest rates and speculation mounted that OPEC will cut output.
** Brent crude up 1.5 pct at $80.17 barrel by 1135 ET; U.S. crude up 0.7 pct at $76.37
** Global oil prices have slid by almost a third since their June high amid weak demand and continued oversupply
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