Greenspan said that the U.S. economy had showed resilience despite soaring global crude prices, suggesting that the tolerance level of the U.S economy is much higher.

The company increased the overall supply of shares and the market needs time to digest this.

The new austerity policy has created a small concern on the China side and there is a correction in the crude price overnight, so the market sentiment right now is not very good.

To China, it is so important to secure its crude supply.

One concern is that its production cost is rising, but as long as the oil price is high, that's acceptable.

Consumer tax is one of the key signals for government to tell the market they want society to be more concerned about the balanced use of energy.