Hong Kong extends gains on tech, property; mainland stocks down
* HSI +0.3 pct, H-shares +0.3 pct, CSI300 -0.1 pct
* Hong Kong and mainland property stocks gain
* Sinopec, PetroChina shares up on industry consolidation
By Natalie Thomas and Grace Li
BEIJING, May 13 (Reuters) - Hong Kong shares extended gains on Tuesday, led by gains in technology and property stocks amid speculation the government may relax the city's stamp duty rules.
China shares were down slightly, as investors locked in some of Monday's strong gains following the news of deepening capital reforms, though property continued to perform strongly.
By midday, the Hang Seng Index was up 0.3 percent at 22,324.14 points. The China Enterprises Index of the top Chinese listings in Hong Kong gained 0.3 percent.
The CSI300 index of the largest Shanghai and Shenzhen A-share listings was down 0.1 percent, while the Shanghai Composite Index was down 0.1 percent at 2,051.63 points.
Leading the gains in Hong Kong were technology firms, with Lenovo Group Ltd up 3.2 percent, and Tencent Holdings Ltd up another 1.8 percent following Monday's increase of more than 5 percent. Continuación...