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TPEx Index Drops Over 2% Mid-Session, Led by Declines in Memory Stocks

Electronic Technology · Semiconductors · cnyes · 2026-09-11

3006, 3259, 5351, 8299

The Taipei Exchange index fell more than 2% during mid-day trading, driven by significant sell-offs in memory manufacturing and controller IC stocks.

What Happened

Market Performance: As of 10:16 AM Taipei time on the 11th, the TPEx weighted index showed significant weakness, falling 8.28 points or 2.04% to reach 396.96 points.

Sector Declines: The downturn was primarily driven by the memory manufacturing and memory controller IC sectors, which recorded declines of 3.66% and 3.44%, respectively.

Individual Stock Impact: Key stocks faced heavy selling pressure, with Nanya Technology affiliate Elite Semiconductor (3006-TW) dropping 8.33%, Phison (8299-TW) falling 6.3%, and Etron (5351-TW) down 5.19%.

Investor Outlook: The synchronized decline across the memory supply chain has weighed heavily on the broader TPEx index, prompting investors to watch for potential support levels as market volatility persists.

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