[Hong Kong Stocks Close: Hang Seng Index Up 0.61%, Hang Seng Tech Index Up 0.01%, OpenClaw and Related Concepts Strengthen] According to Deep Tide TechFlow on March 18, citing data from Jintou, Hong Kong stocks closed with the Hang Seng Index up 0.61% and the Hang Seng Tech Index up 0.01%. Concepts such as power equipment, chips, logistics, and OpenClaw strengthened. Zhifu (02513.HK) and MINIMAX-W (00100.HK) both surged over 19%, while Tencent Music-SW (01698.HK) closed down nearly 22%.