What caused the Taiwan stock market to fall today?

Weakness in electronics stocks, especially large-cap and silicon photonics-related shares, drove the decline.

Which key levels did the index lose today?

The index lost both the 45,000-point mark and the quarterly moving average line.

How did trading volume change compared to yesterday?

Volume dropped from nearly NT$1 trillion to NT$847.8 billion, indicating reduced liquidity.

Were there any sectors that held up well?

Passive component stocks rose strongly, with Nippon Electric Works and Sunlord hitting涨停.

What is the outlook for the market?

If electronics weakness persists, further correction is likely, but passive components may provide support.

Taiwan Stock Market: Electronics Weakness Drags Index Down 589 Points, Losing 45,000 and Key Moving Average

Published Aug 19, 2026 3:20 PM ・ Updated Aug 19, 2026 4:11 PM ・ 3 min read ・ Source: PR Times

The Taiwan stock market closed sharply lower today as weak electronics stocks dragged the index down by 589.33 points to 44,719.35, losing both the 45,000 level and the key quarterly moving average. Trading volume dropped significantly to NT$847.8 billion.

The Taiwan stock market opened lower today (19th) and traded below the flat line throughout the session. Pressured by weak performance in electronics stocks, the index plunged at one point to 44,308 points. By the close, the decline slightly narrowed, ending down 589.33 points at 44,719.35—losing both the 10-day and quarterly moving averages. Trading volume also declined to NT$847.8 billion, markedly lower than yesterday's trillion-level turnover.

Heavyweight stocks broadly declined today. TSMC (2330-TW)(TSM-US) fell over 1%, closing at NT$2,350. MediaTek (2454-TW), Delta Electronics (2308-TW), Hon Hai (2317-TW), ASE Holding (3711-TW), and TPSC (2383-TW) all dropped between 1% and 5%, weighing heavily on the broader market.

Silicon photonics emerged as the main drag today. Benchmark stock United Silicon (3081-TW) plunged over 8%, while Tong Hsin (6426-TW), Fan Chuan (6830-TW), IET-KY (4971-TW), and Sanechips (2455-TW) all fell around half or more, reflecting intense selling pressure.

In contrast, passive component stocks regained investor favor. Nippon Electric Works (3090-TW) and Sunlord Electronics (6173-TW) both hit their daily trading limits, rising sharply. Walsin Technology (2492-TW) rebounded over 5%, while Miwang Real (8043-TW) and Holset (3026-TW) gained more than 3%. Industry leader Yageo (2327-TW) closed flat for the day.

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Source: PR Times
Category: News
Organizations: IET-KY

Taiwan Stock Market: Electronics Weakness Drags Index Down 589 Points, Losing 45,000 and Key Moving Average

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