Xinhua News Agency, May 31, according to press release, Yanchang Petroleum International (00346.HK) fell 4.11 percent, China National Offshore Oil (00883.HK) fell 4.07 percent, China National Petroleum (00857.HK) fell 2.99 percent, and China Petrochemical Corporation (00386.HK) fell 2.55 percent. On the face of the news, the settlement price of international crude oil futures fell by more than 4% on Tuesday. WTI July crude oil futures closed down $3.21, or 4.42%, at $69.46 a barrel. Brent July crude oil futures closed down $3.41, or 4.43%, at $73.54 a barrel.