Abstract: HSIL announced the Sep 2026 rebalance results, with two ADDs and no DELETE. Hua Hong Grace and Weichai Power join the HSI on 7 Sep 2026. Both ADDs fell into the announcement. Historically, positive opening gaps averaged -2.3% post-open, so we wait for the open before sizing.
HUA HONG SEMI, WEICHAI POWER, CHUANGXIN IND
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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