HONG KONG - Hong Kong shares were set to open higher on Friday, lifted by Li & Fung Ltd , but jitters remain, with the Hang Seng Index poised to record its third-straight weekly loss.The Hang Seng Index was set to open up 1.84 percent at 19,955.82. The China Enterprises Index was poised to start up 1.72 percent at 10,683.74 points.