Abstract: HSTECH June 2026 added KNOWLEDGE ATLAS and MINIMAX-W and deleted KINGSOFT and KINGDEE INT'L. All event windows through the fourth post-implementation week are complete. Both ADDs fell in the first implementation week, far beyond the historical ADD first-week means. KNOWLEDGE ATLAS then gained +46.8% in weeks two to four. The positive-bridge DELETE rebound held for KINGSOFT at +3.9% but missed for KINGDEE INT'L at -12.3%.
MINIMAX, KNOWLEDGE ATLAS, Kingdee, KINGSOFT, XPENG, WB
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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