What's moving the oil markets?

Prices have soared over the past couple of days since the US Department of Energy released its weekly stock report. Prices have risen over 3% since the open on Thursday after a period of price decreases over the previous three trading sessions. Brokers expressed surprise at the price moves saying that levels had actually fallen at the start of the week on the back of bullish news but had risen later with a lack of news.

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http://www.platts.com/Oil/Resources/Whats%20Moving%20the%20Market/