TCL Electronics Joins Hang Seng Composite LargeCap & MidCap IndexTCL Electronics Holdings Ltd. (01070.HK) said it will be promoted from the Hang Seng Composite SmallCap Index to the Hang Seng Composite LargeCap & MidCap Index, and will also be added to the Hang Seng Large-Mid Cap (Investable) Index and Hang Seng Composite MidCap Index, effective March 9, 2026