MARKET WATCH: Brent, NYMEX crude prices gain awaiting OPEC meeting

Oil & Gas Journal: Light, sweet crude oil prices gained on the New York market June 18 while Brent crude prices for August climbed by $1.90/bbl in London. Oil prices have fluctuated between gains and losses in recent trading sessions.

Analysts attribute price volatility primarily to uncertainty regarding a June 22 meeting in Vienna between the Organization of Petroleum Exporting Countries and some other major producers.

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