[Hong Kong Robotics Concept Stocks Continue Strong Momentum at Close, LifeTech Harmonic Surges Over 50%] According to TechFlow, on July 3, Hong Kong robotics concept stocks continued their strong momentum at the close. LifeTech Harmonic (03952.HK) surged over 50%, Estun (02715.HK) rose over 30%, with UBTECH (09880.HK), Zhaowei Electromechanical (02692.HK), and others following the upward trend. (Jin10)