China shares fall on weak energy, financials; HK down on casinos
* HSI -0.5 pct, H-shares -0.5 pct, CSI300 -0.7 pct
* Macau gaming sector down as mass table revenue growth slows
* China Unicom sinks ahead of H1 results
* HKEx rises to more than three-year high after earnings (Updates to midday)
By Grace Li
HONG KONG, Aug 7 (Reuters) - China shares slid on Thursday as the country's large banks and oil firms extended a retreat from recent highs, while a weaker Macau gambling sector hurt by disappointing revenues weighed on Hong Kong markets.
By midday, the CSI300 of the leading Shanghai and Shenzhen A-share listings fell 0.7 percent, while the Shanghai Composite Index was off 0.6 percent at 2,204.33 points, as both are headed for their third straight daily loss.
The Hang Seng Index and the China Enterprises Index of the top Chinese listings in Hong Kong each slipped 0.5 percent. The benchmark index stood at 24,458.06 points.
"The Hong Kong market in the near term will still be under a kind of mild consolidation, but the upside potential is still strong because of the strong liquidity inflow," said Steven Leung, sales director at brokerage UOB Kay Hian. Continuación...