Stock Markets May 28, 2026 02:00 AM

Taiwan market slips as select sectors weigh on Taiwan Weighted -0.27%

Optoelectronic and Iron & Steel sector losses, plus notable individual stock moves, drag the index lower at Thursday close

By Hana Yamamoto

Taiwan equities ended lower on Thursday, with the Taiwan Weighted falling 0.27% at the close. Losses concentrated in the , Optoelectronic and Iron & Steel sectors. Several individual names recorded double-digit percentage moves, both up and down, while commodities and currency movements were mixed in overseas markets.

Taiwan market slips as select sectors weigh on Taiwan Weighted -0.27%

Key Points

  • The Taiwan Weighted declined 0.27% at the close, led by losses in the , Optoelectronic and Iron & Steel sectors.
  • Top individual performers included TOPBI International (TW:2929), Creative Sensor (TW:8249) and Plotech (TW:6141), each gaining 10.00%.
  • Significant declines were recorded for Yeong Guan Energy (TW:1589), AU Optronics (TW:2409) and Chung Fu Tex-International (TW:1435), with TW:1589 hitting all-time lows and TW:1435 reaching five-year lows.

Taiwan stocks finished in the red on Thursday, with the broad-market Taiwan Weighted index slipping 0.27% by the close. Market breadth showed a tilt toward declines, and sector-level pressures were cited as contributors to the move.

According to closing prices, the session saw sharp gains in a handful of small- to mid-cap names. TOPBI International Holdings Ltd (TW:2929) led the gainers, advancing 10.00% or 0.55 points to finish at 6.05. Creative Sensor Inc (TW:8249) also jumped 10.00% or 5.30 points to close at 58.30, while Plotech Co Ltd (TW:6141) rose 10.00% or 3.25 points to end the day at 35.75.

At the other end of the tape, several stocks recorded steep declines. Yeong Guan Energy Technology Group Co Ltd (TW:1589) fell 9.92% or 0.61 points to close at 5.54. AU Optronics (TW:2409) dropped 9.84% or 2.40 points to 22.00, and Chung Fu Tex-International Corp (TW:1435) decreased by 9.51% or 1.35 points to finish at 12.85.

The session was marked by an unusual breadth reading. Falling stocks outnumbered advancing ones on the Taiwan Stock Exchange by 0 to 0.

Two companies moved to notable low levels during the session. Shares of Yeong Guan Energy Technology Group Co Ltd (TW:1589) declined to all-time lows, closing at 5.54 after a 9.92% drop. Chung Fu Tex-International Corp (TW:1435) fell to five-year lows, ending the day at 12.85 following a 9.51% retreat.

Commodity prices and currency pairs showed mixed action in overseas trading. Crude oil for July delivery was up 3.18% or 2.82 to $91.50 a barrel, while Brent oil for August delivery gained 2.94% or 2.71 to $94.96 a barrel. By contrast, the August Gold Futures contract fell 1.39% or 62.24 to trade at $4,419.26 a troy ounce.

In currency markets, USD/TWD rose 0.18% to 31.45. TWD/CNY was effectively unchanged, moving 0.05% to 0.22. The US Dollar Index Futures increased 0.24% to 99.39.


Summary of market action:

  • Index movement: Taiwan Weighted -0.27% at the close.
  • Top gainers: TW:2929 +10.00% (6.05), TW:8249 +10.00% (58.30), TW:6141 +10.00% (35.75).
  • Top losers: TW:1589 -9.92% (5.54), TW:2409 -9.84% (22.00), TW:1435 -9.51% (12.85).

The trading day combined sector weakness in the , Optoelectronic and Iron & Steel sectors with notable individual stock volatility and divergent commodity moves. Market participants will likely monitor whether the sector pressures broaden or remain concentrated among specific names.

Risks

  • Notable single-stock volatility, exemplified by names moving 10% up or nearly 10% down, introduces execution and valuation risk for traders and investors in those shares - impacts small- and mid-cap equity segments.
  • Sector weakness in the , Optoelectronic and Iron & Steel sectors may exert additional downward pressure on related equities if losses persist - affects industrial and technology-adjacent stocks.
  • Movements in commodity prices and FX rates, including oil and gold prices and USD/TWD, add cross-market uncertainty that could influence input costs and currency-sensitive revenues for exporters and commodity-related firms.

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