Taiwan Stocks Plunge Over 1600 Points, Fall Below 45000 Points

蔡蔡欣怡 理財線記者2026-10-30 11:11

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Dragged down by disappointing US tech earnings, Taiwan stocks opened lower and moved lower on the 30th, plunging over 1600 points, breaking below the 45000-point level and the half-year line, setting the 11th largest intraday point decline on record, with heavyweight and AI-related stocks weakening across the board and estimated trading volume reaching 9600億元.

Selling Pressure From US Tech Stocks Drags Market Lower at Open

Hit by consecutive weaker-than-expected earnings reports from US tech giants, which raised doubts over artificial intelligence investment prospects and tech stock valuations, expanded selling pressure in US tech stocks dragged Taiwan stocks lower at the open on 今30日. The weighted index opened at 46139.79點, down 228.54點, with intraday selling pressure expanding sharply to a low of 44726點, plunging over 1600點, breaking through both the 46000點 and 45000點 integer levels in one move, also losing support at the half-year line, setting the 11th largest intraday point decline in Taiwan stock history, with estimated trading volume reaching 9600億元.

Over a Thousand Decliners as Selling Spreads to Smaller Stocks

Today's sell-off was fierce, with not only broad weakness in heavyweights, but also collective withdrawal from high-priced stocks and artificial intelligence-related groups including panels, memory, passive components, printed circuit boards and optical communications. According to intraday statistics, 截至上午9時39分, 1129 listed and OTC stocks fell, with only 126 advancing, plus 3 limit-up and 3 limit-down stocks, showing selling pressure had spread from large heavyweights to most stocks in the market.

Heavyweights and AI Groups Weaken Across the Board

Among heavyweights, 台積電 2330 fell nearly 2%, breaking below 2400元; 台達電 2308 retreated to 1335元, well off its historic high; 聯發科 2454 slumped about 4%, breaking below 4000元; 鴻海 2317 and 廣達 2382 also fell about 2% to 3%, while 光寶科 2301 dropped as much as 8%. Financial stocks were also under pressure, with 凱基金 2883, 國泰金 2882 and 元大金 2885 down over 1%, with only 台塑化 6505 bucking the trend, up nearly 2%.

Selling pressure in the printed circuit board group was equally heavy, with 台燿 6274 and 金像電 2368 both hitting limit-down, while 富喬 1815, 燿華 2367, 台光電 2383, 臻鼎-KY 4958 and 聯茂 6213 plunged 7% to 8%, and 南電 8046 and 欣興 3037 also tumbled over 6%. The passive component group weakened in tandem, with 信昌電 6173 hitting limit-down, 國巨 2327 plunging 8% below 500元, and 華新科 2492, 凱美 2375 and 日電貿 3090 also falling 7% to 9%.

FAQ

What were the largest intraday point decline and low on the 30th for Taiwan stocks?

Taiwan stocks opened at 46139.79點 on the 30th, down 228.54點, with an intraday low of 44726點, plunging over 1600點, breaking below the 46000點 and 45000點 levels, setting the 11th largest intraday point decline on record.

What was the intraday breadth structure of listed and OTC gainers and decliners?

As of 上午9時39分, 1129 listed and OTC stocks fell, with only 126 advancing, plus 3 limit-up and 3 limit-down stocks, with estimated trading volume reaching 9600億元.

How did heavyweights and sector groups perform?

台積電 fell nearly 2% below 2400元, 聯發科 fell about 4% below 4000元, and 光寶科 fell 8%; 台燿, 金像電 and 信昌電 hit limit-down, 國巨 fell 8% below 500元, with only 台塑化 bucking the trend, up nearly 2%.