What was today's main market theme in Taiwan?

Traditional stocks like Formosa group and AI component makers rose, while profit-taking hit major semiconductor firms.

Why did TSMC's stock price fall today?

Profit-taking emerged due to concerns over slowing demand for advanced chips and rising interest rate outlook in the U.S.

What drove Molex-KY's surge?

Strong demand for high-speed connectors in AI servers boosted investor confidence in its growth outlook.

Why did Formosa Petrochemical hit limit-up?

Stable oil prices and recovering chemical demand attracted speculative capital into the stock.

How can this be used for investment strategy?

Focus on AI infrastructure supply chain stocks during corrections in large-cap tech names.

Intraday Update: Taiwan Stock Market Turns Red! TSMC and Delta Down, Formosa Petrochemical Hits Limit Up, Molex-KY Soars Over 9% to Support Market

Published Jul 23, 2026 1:00 PM ・ Updated Jul 23, 2026 2:20 PM ・ 3 min read ・ Source: PR Times

Taiwan's stock market opened higher on the 23rd but reversed into negative territory amid profit-taking. By 11:53 AM, the index fell 288.35 points (-0.64%) to 44,537.43. While TSMC and Delta weakened, Formosa Petrochemical surged to limit-up and Molex-KY rose over 9%, supporting the market amid sector rotation.

Taiwan's stock market showed volatile movement on the 23rd, initially rising to 44,938 points before facing selling pressure and gradually retreating below the flat line. As of around 11:53 AM, the main index stood at 44,537.43 points, down 288.35 points (-0.64%). The market displayed sector rotation, with mixed performances across industries.

Among large-cap stocks, the 'Big Three' in electronics diverged. TSMC faced selling pressure and declined, while Hon Hai and MediaTek resisted the downturn, staying in positive territory. Quanta Computer, an AI server-related stock, also saw strong buying interest.

Stock prices (as of 11:53 AM): - TSMC (2330): 2,375 ▼25 (-0.83%) - Hon Hai (2317): 255 ▲4 (1.39%) - MediaTek (2454): 3,890 ▲45 (1.04%) - Quanta (2382): 332.5 ▲3.5 (1.06%) - Delta (2308): 1,870 ▼5 (-0.53%)

In traditional industries, the Formosa Plastics Group performed strongly. Formosa Petrochemical surged to the daily limit-up, driving the petrochemical sector higher. AI cooling and component stocks also performed well, with Auras (3017) and Molex-KY (3665) both rising over 9%. In contrast, shipping stocks weakened, with the 'Big Three' container carriers all in the red.

Other notable movers: - Wistron (3231): 175 ▲11 (6.71%) - Formosa Plastics (1301): 66.4 ▲2.5 (4.09%) - Zhen Ding-KY (4958): 504 ▼55 (-9.84%) - Taisil (3532): 421.5 ▼46.5 (-9.94%) - Evergreen (2603): 203.5 ▼2.5 (-1.21%)

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Source: PR Times
Category: News

Intraday Update: Taiwan Stock Market Turns Red! TSMC and Delta Down, Formosa Petrochemical Hits Limit Up, Molex-KY Soars Over 9% to Support Market

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