Taiwan Stocks Plunge Over 1600 Points, Fall Below 45000

蔡蔡欣怡 理財線記者2026-10-30 11:11

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Hit by weaker-than-expected earnings from US tech giants, Taiwan stocks opened lower and moved lower on the 30th, with the weighted index plunging over 1600 points, breaking below the 46000 and 45000 levels and the half-year moving average, marking the 11th-largest intraday point drop in history.

Weak US Tech Earnings Drag Market Lower at Open

Hit by consecutive weaker-than-expected earnings from US tech giants, market concerns over AI investment prospects and tech valuations grew, expanding selling pressure in US tech stocks and dragging Taiwan stocks lower at the open on the 30th. The weighted index opened at 46139.79 points, down 228.54 points, with intraday selling pressure expanding sharply to a low of 44726 points, plunging over 1600 points, breaking through both the 46000-point and 45000-point整数关卡, also falling below half-year moving average support, marking the 11th-largest intraday point drop in Taiwan stock history, with estimated turnover reaching NT$960 billion.

Heavyweights and Financial Stocks Mixed

Heavyweight stocks weakened across the board, with TSMC (2330) falling nearly 2% to below NT$2400; Delta Electronics (2308) falling to NT$1335, well off its historic high; MediaTek (2454) plunging about 4% to below NT$4000; Hon Hai (2317) and Quanta (2382) also down about 2% to 3%, while LITE-ON Technology (2301) fell as much as 8%. Financial stocks were also under pressure, with KGI Financial (2883), Cathay Financial (2882) and Yuanta Financial (2885) down over 1%, leaving only Formosa Petrochemical (6505) bucking the trend with a gain of nearly 2%, a rare bright spot.

PCB and Passive Components Hardest Hit

AI-related groups were sold off collectively, with high-priced stocks, panels, memory, passive components, PCB and optical communications all weakening. Selling pressure was heavy in the PCB group, with Taiwan Union Technology (6274) and Gold Circuit Electronics (2368) both hitting limit-down, while Fulltech Fiber (1815), Chin-Poon (2367), Elite Material (2383), Zhen Ding Technology (4958) and ITEQ (6213) plunged 7% to 8%, and Nan Ya PCB (8046) and Unimicron (3037) also tumbled over 6%. The passive components group weakened in tandem, with Prosperity Dielectrics (6173) hitting limit-down, Yageo* (2327) plunging 8% to below NT$500, and Walsin Technology (2492), Kaimei Electronic (2375) and Nichidenbo (3090) also falling 7% to 9%.

Selling Pressure Spreads to Most Stocks

According to intraday statistics, as of 9:39 AM, 1129 listed stocks fell while only 126 rose, with another 3 hitting limit-up and 3 hitting limit-down, showing selling pressure had spread from large heavyweights to most of the market. Overall, Taiwan stocks fell sharply today, with selling spreading from heavyweights to small and mid-cap stocks, leaving the broader market under pressure in the short term, and investors should remain cautious of risks and respond prudently to market volatility.

FAQ

How much did Taiwan stocks fall on the 30th, and which levels were lost?

The weighted index opened at 46139.79 points, down 228.54 points, and fell to an intraday low of 44726 points, plunging over 1600 points, breaking through both the 46000-point and 45000-point整数关卡, also losing half-year moving average support, marking the 11th-largest intraday point drop in history.

How did heavyweight stocks perform?

TSMC fell nearly 2% to below NT$2400, MediaTek plunged about 4% to below NT$4000, Delta Electronics fell to NT$1335, Hon Hai and Quanta fell about 2% to 3%, and LITE-ON Technology fell 8%; among financials, KGI Financial, Cathay Financial and Yuanta Financial fell over 1%, leaving only Formosa Petrochemical bucking the trend with a gain of nearly 2%.

Which groups fell the most, and what was the market structure?

In the PCB group, Taiwan Union Technology and Gold Circuit Electronics hit limit-down, while Fulltech Fiber, Chin-Poon, Elite Material, Zhen Ding Technology and ITEQ plunged 7% to 8%; in passive components, Prosperity Dielectrics hit limit-down and Yageo plunged 8% to below NT$500. As of 9:39 AM, 1129 listed stocks fell while only 126 rose, with 3 limit-up and 3 limit-down.