Hong Kong shares sink after weak China flash PMI, Sinopec soars
* HSI -1.1 pct, H-shares -0.9 pct, CSI300 +0.1 pct
* China banks hit by new liquidity regulations
* Sinopec lifted by plan for private investment in marketing arm
* Tencent sinks after Facebook's WhatsApp deal
* MGM China spikes on robust 2013 earnings, special dividend
By Clement Tan
HONG KONG, Feb 20 (Reuters) - Hong Kong shares fell from a four-week high early on Thursday, and losses accelerated after a preliminary private survey showed manufacturing activity in China slowed to a seven-month low, stoking fears of a more severe slowdown.
The China flash Markit/HSBC Purchasing Managers' Index (PMI) declined to 48.3 in February from January's final reading of 49.5. The employment sub-index slid to its weakest in four years.
At midday, the Hang Seng Index was down 1.1 percent at 22,412.8 points after closing on Wednesday at its highest since Jan. 23. The China Enterprises Index of the leading offshore Chinese listings slid 0.9 percent. Continuación...