October 19, 2007 (on September ninth day Chinese New Year), the interaction of many factors continued high and volatile international oil prices. In In November, traders work on the New York Mercantile Exchange. U.S. commercial oil inventories fell less than expected and the market profit-taking, the 7th New York indicators on the price of crude oil edged down $ 0.33, to close at $ 96.37 a barrel. Oil prices intraday record high of $ 98.62. ,


2007 11 21, the New York Mercantile Exchange, light sweet crude for delivery in January 2008 rose to $ 99.29 a barrel, approaching the $ 100 mark. Since then, oil prices continue to be high and volatile. December 5, the closing price of New York crude oil futures fell to $ 87.49 a barrel, the current fluctuations are still $ 90. Crude oil demand and supply is tight, sharp depreciation of the dollar, some oil producers tense geopolitical situation, as well as investor speculation, is the main factor that pushed up international oil prices.