Hang Seng Index gained 40.31 points, or 0.18 percent, to open at 22,484.04 points on Thursday.

It follows Wednesday's 6.2 percent, or 1,310 points, rise to 22,443 when turnover reached HK$434 billion.

Overnight, the major Wall Street indices closed flat on concerns about escalating conflicts in the Middle East. (with additional reporting from Xinhua)