The Fubon Corporate Governance (00692) index, with NT$55.592 billion in assets, added 25 new constituents, including Winbond Electronics and Nanya Technology, both memory chip manufacturers. Substrate manufacturer Siliconware Precision Industries and fiberglass cloth maker Nanya were also included in the rebalancing.
Routine index rebalancing includes key memory and substrate suppliers, reflecting their market presence rather than a new demand signal.