Hong Kong's Hang Seng index rose 100.47 points, or 1.02% to 9,992.87 on the region-wide rally in tech stocks in reaction to strong overnight gains in the US, where the Philadelphia Semiconductor index rose 7.2%. QPL International, which makes integrated circuits, was up 6.3% to HK$1.68 while China's top computer maker, Legend Group, rose 3.73% to HK$2.97.