China stocks dip on growth concerns; Hong Kong tracks Wall Street lower
* CSI300 -0.2 pct; SSEC -0.3 pct; HSI: -0.4 pct
* Shares of China carriers jump on govt pledge to open airspace
* China services sector expansion slows in April
SHANGHAI, May 5 (Reuters) - China stocks dipped on Thursday morning, with trading volume continuing to dwindle amid fresh signs that the country's nascent economic recovery is resting on weak foundations.
Hong Kong shares tracked U.S. markets lower, as worries about global economic growth resurfaced.
China's blue-chip CSI300 index fell 0.2 percent, to 3,202.33 points by the lunch break, while the Shanghai Composite Index lost 0.3 percent, to 2,983.06 points.
In Hong Kong, the Hang Seng index dropped 0.4 percent, while the Hong Kong China Enterprises Index lost 0.9 percent.
China's robust market rebound since early March appears to be losing momentum as trading volumes have shrunk and the SSEC fails to stand decisively above the 3,000 mark - seen by many as a key psychological level.
Worries are mounting that the country's debt-fuelled recovery in the first quarter could be short-lived, amid signs that fresh liquidity has failed to energise China's economic muscles, with the spill-over boosting property and commodity prices instead. Continuación...