Stock Markets June 29, 2026 02:00 AM

Taiwan market retreats as technology-linked sectors drive index lower

Taiwan Weighted falls 3.64% at Monday close as materials, optoelectronics and parts makers see mixed extremes

By Derek Hwang
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Taiwan's benchmark slipped sharply at Monday's close, with the Taiwan Weighted down 3.64% as weakness in optoelectronic and electronic parts/components-related names weighed on the market. A handful of stocks posted double-digit percentage gains, while several large-cap and memory-related names recorded 10% drops. Commodity and FX moves were modest during the session.

Taiwan market retreats as technology-linked sectors drive index lower
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Key Points

  • Taiwan Weighted fell 3.64% at Monday's close, with optoelectronic and electronic parts/components-related sectors under pressure.
  • Top gainers included TW:1435 (+9.95%), TW:6226 (+9.94%), and TW:2484 (+9.87%); key decliners included TW:1301 (-10.00%), TW:6531 (-10.00%), and TW:3017 (-9.98%).
  • Commodities and FX showed limited movement: Brent and WTI rose slightly, gold futures fell, USD/TWD and TWD/CNY were effectively unchanged.

Taiwan equities closed lower on Monday, with losses concentrated in optoelectronic and electronic parts/components-related companies that pushed the Taiwan Weighted down 3.64% at the end of trading.

Market movers

The session's best performers included Chung Fu Tex-International Corp (TW:1435), which advanced 9.95% - a gain of 2.05 points - to finish at 22.65. Para Light Electronics Co Ltd (TW:6226) rose 9.94%, adding 1.65 points to close at 18.25, while Siward Crystal Technology Co Ltd (TW:2484) climbed 9.87% or 6.90 points to reach 76.80.

On the downside, Formosa Plastics Corp (TW:1301) dropped 10.00%, losing 5.80 points to end the day at 52.20. AP Memory Technology Corp (TW:6531) declined 10.00%, or 110.00 points, to 990.00, and Asia Vital Components Co Ltd (TW:3017) fell 9.98%, a decrease of 250.00 points, to close at 2,255.00.

Trading breadth was recorded in the release as: "Falling stocks outnumbered advancing ones on the Taiwan Stock Exchange by 0 to 0." The published summary presented that line verbatim.

Notable stock milestones

Para Light Electronics (TW:6226) reached a three-year high during the session, finishing up 9.94% at 18.25. Siward Crystal Technology (TW:2484) closed at an all-time high, rising 9.87% to 76.80.

Commodities and FX

Commodity moves were modest on the session. Crude oil for August delivery gained 0.38% - up $0.26 - to $69.49 a barrel. Brent crude for September delivery increased 0.14%, or $0.10, to $72.70 a barrel. The August Gold Futures contract declined 0.66%, down $27.18, closing at $4,069.12 per troy ounce.

Currency indicators showed USD/TWD essentially flat, unchanged by 0.01% at 31.86. TWD/CNY was unchanged 0.05% at 0.21. The US Dollar Index Futures was reported down 0.04% at 101.09.

Additional note on analytics

The published briefing also included a mention of an investment screening tool: ProPicks AI evaluates Formosa Plastics Corp (1301) alongside thousands of companies using more than 100 financial metrics, and the commentary noted past winner examples with returns cited as Super Micro Computer (+185%) and AppLovin (+157%). That segment described the tool's approach to identifying risk-reward opportunities based on current data.


This report reflects the market moves, stock-level performances, commodity prices, and currency readings as provided in the session summary.

Risks

  • Volatility in specific technology and materials-related names - several stocks swung by around 10% in either direction during the session, affecting sector performance - this impacts investors exposed to optoelectronics, electronic parts/components, and memory-related issuers.
  • Large single-session declines in major names such as Formosa Plastics Corp (TW:1301) could increase uncertainty for market participants with exposures in the materials and chemicals sectors.
  • Breadth reporting in the release contained a literal phrasing that reads as 'Falling stocks outnumbered advancing ones on the Taiwan Stock Exchange by 0 to 0,' indicating a limitation or ambiguity in the published breadth data.

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