What is the Taiwan stock market?

Operated by TWSE, it's a key Asian market dominated by semiconductor firms like TSMC.

What does breaking 45,000 points mean?

Losing a key psychological level increases investor caution and short-term downside risks.

How does oil price affect stock prices?

Higher oil prices raise costs for import-dependent Taiwan, fueling inflation concerns.

What is silicon photonics?

Next-gen tech using light for data transmission, critical for AI server speed. TSMC is exploring entry.

TSMC's role in the market?

World's largest foundry, manufacturing chips for Apple and NVIDIA, heavily influencing Taiwan's index.

Taiwan Stock Market Opens High but Turns Negative as TSMC Weakens, Falls Over 100 Points and Loses 45,000 Level

Published Jul 23, 2026 11:43 AM ・ Updated Jul 23, 2026 12:28 PM ・ 2 min read ・ Source: PR Times

The Taiwan stock market opened higher on the 23rd, rising 256.78 points to 45,082.56, but turned negative as TSMC, memory, and silicon wafer stocks weakened. The index fell below the 45,000-point mark, hitting a low of 44,676. Morning trading volume reached 1.05 trillion TWD.

Rising oil prices dragged down U.S. stocks, which closed lower on the 22nd. In contrast, Taiwan's stock market opened higher on the 23rd, gaining 256.78 points to reach 45,082.56. However, as TSMC, memory, and silicon wafer stocks weakened, the index turned negative and entered a volatile phase, dropping to a low of 44,676 and losing the 45,000-point threshold. Morning trading volume was estimated at 1.05 trillion TWD.

Among major electronics stocks, performances were mixed. TSMC (2330-TW) fell 25 TWD, nearly 1%, to 2,375 TWD. MediaTek (2454-TW) rose 100 TWD, nearly 2%, to 3,950 TWD. Hon Hai (2317-TW) gained about 1%, Delta Electronics (2308-TW) rose about 0.5%, while ASE (3711-TW) declined nearly 0.5%.

Silicon photonics stocks continued to strengthen. United Microelectronics (3081-TW) hit the upper limit, Win Semiconductors (4979-TW) rose about 9%, LIGANG (3450-TW) gained about 8%, and LITE-ON (8111-TW) and SinoPak (2455-TW) both rose about 7%.

Rising oil prices boosted petrochemical stocks. CPC Corporation (6505-TW) hit the upper limit, Delta Electronics Chemical (1309-TW) rose about 6%, while Formosa Chemicals (1326-TW) and Formosa Plastics (1301-TW) both gained about 5%.

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Source: PR Times
Category: News

Taiwan Stock Market Opens High but Turns Negative as TSMC Weakens, Falls Over 100 Points and Loses 45,000 Level

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