China shares extend losses as IPOs divert funds, Hong Kong edges up
* HSI +0.3 pct, H-shares -0.1 pct, CSI300 -0.5 pct
* China nickel firms sink as nickel prices slide
* CNOOC rises for a second day after LNG deal with BP (Updates to midday)
By Grace Li
HONG KONG, June 19 (Reuters) - China shares extended losses by midday on Thursday, as the lock-up of a sizeable amount of capital for initial public offerings continued to weigh on the markets.
Hong Kong shares rose slightly, buoyed by Wall Street's optimism after the U.S. Federal Reserve gave a positive assessment of the economy and committed to retaining accommodative monetary policy.
By midday, the Hang Seng Index was up 0.3 percent at 23,250.56 points. The China Enterprises Index of the top Chinese listings in Hong Kong held a soft tone, off 0.1 percent.
The CSI300 of the leading Shanghai and Shenzhen A-share listings and the Shanghai Composite Index each lost 0.5 percent and appeared on track for a third straight daily loss. The Shanghai benchmark stood at 2,045.49 points.
In the mainland, the first four Chinese companies pushed ahead with new listings after a four-month lull in IPOs, starting to take subscriptions on Wednesday with the aim of raising a combined 1.7 billion yuan ($273.80 million). Continuación...