Abstract: CSI announced four ADDs and four DELETEs for STAR50, effective 15 Jun 2026. Bridge-window data is complete through 12 Jun 2026. Yuanjie Semi led the ADD bridge gains, while Hua Hong Semiconductor reversed its pre-announcement gains. SICC had the weakest bridge performance among the DELETEs. Historically, positive-bridge ADDs averaged weaker first-week returns. Negative-bridge DELETEs showed the most consistent first-week losses.
MGI TECH, SICC, XIAMEN AMOYTOP BIOTECH, HUA HONG SEMICONDUCTOR, SANY RENEWABLE ENERGY, YUANJIE SEMI, MOORE THREADS TECHNOLOGY, METAX INTEGRATED CIRCUITS
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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