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• UPDATE 1-Venezuela's economy slows sharply as 'stagflation' looms Friday, 31 May 2013 | 8:04 PM ET

  CARACAS, May 31- Venezuela's economy slowed sharply in the first quarter, the central bank said on Friday, auguring a difficult year for the OPEC nation that is already struggling with galloping inflation and shortages of basic consumer goods.

• Commodities Next Week: Oil Below $92  Friday, 31 May 2013 | 4:00 PM ET

  

  CNBC's Sharon Epperson discusses the day's activity in the commodities markets. Oil prices have dipped below $92/barrel, a key technical breach, she says. Demand falls for gas, and so do prices. And gold tries to stay above $1,400.

• UPDATE 6-Oil prices drop sharply, equities and supply weigh Friday, 31 May 2013 | 3:53 PM ET

  *OPEC members leave output target unchanged. NEW YORK, May 31- Oil prices fell sharply on both sides of the Atlantic late on Friday, pulled down by declines in major U.S. equity indices, large supplies, a weak demand outlook, and by technical selling that developed when support levels were pierced.

• OPEC Voices Concern About World Economy  Friday, 31 May 2013 | 11:12 AM ET

  

  OPEC Secretary General Abdullah al-Badri tells CNBC that OPEC's main concern is the fragile state of the world economy.

• OPEC Has 'No Strategy': Pro  Friday, 31 May 2013 | 11:10 AM ET

  

  Neil Atkinson, director of energy research and analysis at Datamonitor, says OPEC is right in keeping its production quota unchanged, and that the oil price should stay at the same level for some time.

• OPEC Agrees to Maintain Output Quota  Friday, 31 May 2013 | 10:14 AM ET

  

  OPEC's twelve member countries agreed there is no need to make changes in current oil production levels, reports CNBC'S Stephen Sedgwick.

• COLUMN-Saudi Arabia must decide response to shale: Kemp Friday, 31 May 2013 | 10:04 AM ET

  LONDON, May 31- If OPEC is eventually forced to trim its oil exports in response to the shale boom, Saudi Arabia will have to shoulder most of the production cuts.

• UPDATE 4-Oil falls on weak data, OPEC agrees to keep target Friday, 31 May 2013 | 9:51 AM ET

  *OPEC members agree leave output target unchanged. LONDON, May 31- U.S. oil prices fell below $93 a barrel on Friday, extending losses after another round of weak economic data, while OPEC oil exporters agreed to leave their output target unchanged as expected, with little impact on markets as a result.

• UPDATE 3-OPEC's high output, high price days dwindle Friday, 31 May 2013 | 8:58 AM ET

  *Echoes of 1980 s non- OPEC supply surge. VIENNA, May 31- OPEC's halcyon days of high prices and high production may be drawing to a close as soaring U.S. output opens a new era for world oil markets.

• OPEC Holds Line on Output, Surprising None Friday, 31 May 2013 | 8:06 AM ET

  

  OPEC oil exporters agreed on Friday to leave output policy unchanged on Friday as oil held around the group's preferred level of $100 a barrel.

• UPDATE 2-OPEC keeps oil output target for 2013 Friday, 31 May 2013 | 7:55 AM ET

  VIENNA, May 31- OPEC oil exporters, basking in the market's equilibrium, agreed to leave output policy unchanged on Friday as oil held around the group's preferred level of $100 a barrel.

• OPEC has agreed to keep oil output target unchanged Friday, 31 May 2013 | 7:35 AM ET

  VIENNA, May 31- OPEC oil ministers agreed at their meeting on Friday to keep the group's oil output target unchanged for the rest of this year, a delegate at the meeting said. The Brent crude oil price at close to $100 a barrel on Friday is at OPEC's preferred level to satisfy both producers and consuming countries.

• UPDATE 3-Brent slips below $102 as OPEC meeting begins Friday, 31 May 2013 | 6:40 AM ET

  *OPEC members agree over leaving output target unchanged. LONDON, May 31- Oil prices dipped below $102 a barrel as statements from OPEC delegates at Friday's ministerial meeting in Vienna indicated members were in agreement over keeping the output target at 30 million barrels per day.

• OPEC Ministers Meet in Vienna Today  Friday, 31 May 2013 | 6:01 AM ET

  

  OPEC's twelve member countries are meeting to discuss oil production levels, but are not expected to make changes to output policy, reports CNBC'S Stephen Sedgwick.

• 'I'm Not Concerned': Saudi Oil Minister  Friday, 31 May 2013 | 5:09 AM ET

  

  Ali Naimi, Saudi Arabia oil minister, tells CNBC he is not concerned about U.S. shale oil or of a slowdown in Asia.

• Oil Market Price 'Acceptable': Venezuela Oil Minister  Friday, 31 May 2013 | 5:06 AM ET

  

  Rafael Ramirez, Venezuela oil minister, explains why he is concerned about demand for oil due to slow growth in Europe and the U.S., and discusses OPEC production level.

• Emerging Markets' Demand for Oil Rising: Pro  Friday, 31 May 2013 | 5:05 AM ET

  

  Jason Schenker, president and chief economist at Prestige Economics, explains why US shale oil prospect is not a short term concern for OPEC, and how emerging markets demand for oil and gas will boom.

• UPDATE 1-OPEC meets, set to keep output target for 2013 Friday, 31 May 2013 | 4:50 AM ET

  VIENNA, May 31- OPEC oil exporters, basking in the market's equilibrium, were on course to leave output policy unchanged on Friday as oil held around the group's preferred level of $100 a barrel.

• US Production Is No Concern: Angola Oil minister  Friday, 31 May 2013 | 4:04 AM ET

  

  Jose Maria Botelho de Vasconcelos, Angola oil minister, says the OPEC need to "analyze" the issue of non-conventional production from the U.S.

• OPEC Supply Is Pretty Balanced: CEO   Friday, 31 May 2013 | 3:45 AM ET

  

  Bill Farren- Price, founder and CEO of Petroleum Policy Intelligence, tells CNBC that there are production problems within OPEC that could be a problem.