Hong Kong's Hang Seng index traded higher on Tuesday as gains from Chinese official PMI data were accompanied by a surge in US manufacturing activity. Hang Seng index rallied 1.31% or 268.72 points and closed at 20,790.98. Index was positively affected by the appreciation of property, financial and resource shares. Jiangxi Copper Co added 3.6% and Angang Steel Co surged 4.9% on increase in commodity prices. Bank of China Ltd gained 1.6% and China Overseas Land & Investment Ltd rallied 4.5%.