News / Taiwan / cnyes
Taipei Exchange Index Drops 3% Amid Sell-off in IC Substrate and Optical Lens Stocks
Electronic Technology · Electronic Components · cnyes · 2026-09-03
3008, 3189, 3504, 4958, 4976, 8046
The Taipei Exchange index fell 3% during the session, led by heavy selling in IC substrate and optical lens stocks, including Nanya PCB and Largan Precision.
What Happened
Market Analysis: The Taipei Exchange index faced significant selling pressure today, dropping 12.22 points or 3% to 394.74. Market sentiment has turned cautious as investors lock in profits on high-valuation tech stocks, leading to a notable correction in the index.
IC Substrate Slump: IC substrate stocks were among the hardest hit, with the sector declining by 5.84%. Nanya PCB led the decline with a 10% drop, while Zhen Ding-KY and Kinsus Interconnect Technology fell 7.69% and 7.44%, respectively, reflecting market concerns over short-term demand.
Optical Lens Weakness: The optical lens sector also performed poorly, falling 5.14% overall. Industry leader Largan Precision dropped 7.81%, while Jia-Lin and Young Optics saw declines of 8.3% and 6.57%, respectively, highlighting the pressure on the optical industry due to sluggish consumer electronics demand.
Investor Caution: With multiple heavyweight sectors weakening simultaneously, the technical outlook for the Taipei Exchange has turned bearish. Investors are closely monitoring capital flows and looking for signs of stabilization in key stocks to determine if the market is entering a deeper correction phase.
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