Continue to be Europe's debt problems of weight,30 international oil prices fell, New York oil prices fell to a low of seven months.

On the same day, from the European multiple message again exacerbated investors worried about the European debt crisis. Spain after the preceding trading day to sovereign credit rating was lowered, the bond yields rose, financing cost increase, and the bank system problems still exist. Italy auction of treasury bonds, yield rises to 6% above, achieve the highest level since the euro. In addition, one of the greatest Greek polls, the Greeks against austerity program of left-wing parties support leads, there may be held in June 17th second round of parliamentary election. Greece may exit from the euro worries over the market again.

Although the European Commission proposed, the euro zone should set up bank alliance, and consider the use of a permanent relief mechanism for the banking system to provide financial support, but the euro area member states on the great divergence. The market worried about, to this Agreement may take a very long time, the short term can not help solve the debt crisis in europe.

As a result of the euro against the dollar dropped to its lowest level in 2 years, also aggravate the crude oil market selling pressure.

At the same time, the United States continued weak economic data, the global crude oil demand further hasten is soft. According to the United States National Association of Realtors data, April the United States home sales unexpectedly5.5% reduction over central, to the lowest in four months, showed the American real estate market is still a difficult situation. In addition, the market of China may take large-scale economic stimulus plan that weakened, on oil prices also constitute adverse factors.

To the day of closing, the New York Mercantile Exchange in July delivery of light crude oil futures prices fell 2.94 U.S. dollars, to close at $87.82 a barrel, down 3.24%. July delivery of Beihai Brent crude oil futures prices fell 3.21 U.S. dollars, to close at $103.47 a barrel, down 3.01%. ( Qiao Jihong )