Abstract: Hang Seng Indexes added three stocks with no DELETE in the May review. The first implementation week is complete, and we review current-cycle performance vs history. All three ADDs fell in the first implementation week. The cohort averaged -4.1%, vs the historical ADD mean of -0.6%. The pre-implementation base rates held for the two negative-bridge names. Weeks 2 to 4 then split the cohort: Chalco fell -26.6% while J&T Express and BeOne Medicines rebounded.
J&T GLOBAL EXPRESS, CHALCO, BEONE MEDICINES LTD-H
Research on index reviews and inclusion events across Asia Pacific, including MSCI, Hang Seng (HSI, HSCEI, HSCI), HS TECH, CSI 300, STAR50, NIFTY and Stock Connect changes. Coverage runs from rebalance forecasts through post-announcement positioning, pre-implementation updates and post-implementation reviews, using the price patterns of past events.
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