China's stock index futures closed down Wednesday with the contract for July, the most actively traded, down 1.23 percent from the previous trading day to end at 2,765.2 points.
Hong Kong stocks lost 93.10 points, or 0.45 percent, to close at 20,819.08 points on Tuesday.
China's stock index futures closed down Tuesday with the contract for July, the most actively traded, down 0.41 percent from the previous trading day to end at 2,797.6 points.
The ChiNext Index, launched by the Shenzhen Stock Exchange on June 1, was down 5.81 points, or 0.56 percent, to close at 1,035.00 points in Tuesday's trading.
Chinese shares continued the upward trend of the previous trading day to close higher Tuesday despite renewed concerns that Europe's debt crisis may slow the global economic recovery and hurt China's exports.
Mainland stocks rallied the most in almost a month, led by banks, airlines and property companies, on the prospect that a stronger yuan will tame inflation and reduce the need for interest-rate increases.
Investors' interest in Chinese wind companies may be slowing after Xinjiang Goldwind Science & Technology Co, China's second-largest wind turbine maker, shelved a share sale in Hong Kong, analysts said on Monday.
Stocks worldwide and oil prices rose on Monday after China's central bank pledged to make the yuan more flexible, but analysts said the policy's effect on the Chinese and global economy was still uncertain.
Airline shares surged on the Shanghai Stock Exchange on Monday, on anticipation that their US-dollar-denominated overseas debts would shrink considerably after the central bank signaled an end to the currency's peg to the dollar
China's decision to end the yuan's nearly two-year peg against the dollar will boost its stock market heavyweights, as it heralds a long-term yuan appreciation based on robust productivity growth and aids an economic adjustment towards less reliance on exports.
Hong Kong stocks closed up 625.47 points, or 3.08 percent, at 20,912.18 on Monday.