Taiex Plunges 667 Points to Close at 46368 as UMC Hits Limit Down

黃黃郁婷 產業線記者2026-10-29 16:31

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Taiwan stocks pulled back sharply on the 29th, with the benchmark index plunging 667.25 points to close at 46368.33 points on turnover of 7891.52億元. UMC was sold off by 149789 lots and hit limit down to close at 115.5 yuan, while the OTC index fell 1.83%.

Taiwan Stocks Pull Back Sharply on Turnover Over 7891億元

Taiwan stocks staged a sharp pullback today (29th), with the benchmark index closing at 46368.33 points, plunging 667.25 points, and single-day turnover reaching 7891.52億元. The OTC index weakened in tandem, falling 1.83%, with turnover of 2127.33億元, showing selling pressure emerging across the market and an expanded short-term pullback.

UMC Dumped by 149789 Lots and Hits Limit Down

UMC ( 2303 ), with 1.07 million shareholders, became a joint selling target of foreign investors and investment trusts, with combined net sales reaching 149789 lots. UMC shares performed weakly, closing limit down at the end of the session, falling 12.5 yuan, down 9.77%, to close at 115.5 yuan, becoming the weak focus of the day.

Foreign Investors Sell UMC and Buy Financials as Hedge

According to TWSE statistics, the top 10 net-sold stocks by foreign investors were UMC 129272 lots, AUO 50436 lots, Innolux 46307 lots, Macronix 18674 lots, Compal 16350 lots, Taiwan Glass 14660 lots, Wistron 8112 lots, Compeq 6161 lots, Zhen Ding-KY 6139 lots, Inventec 6076 lots. The top 10 net-bought stocks were Taishin Shin Kong Financial 1萬 9911 lots, CTBC Financial 17315 lots, Winbond 14319 lots, Chang Hwa Bank 10427 lots, Faraday 8520 lots, Pou Chen 7806 lots, Mega Financial 7768 lots, SinoPac Financial 6077 lots, Nanya Technology 5661 lots, IBF Financial 5597 lots.

Investment Trusts Cut UMC and Shift to Electronics and Traditional Industries

The top 10 net-sold stocks by investment trusts were UMC 20517 lots, Mega Financial 5478 lots, Formosa Petrochemical 3834 lots, CTBC Financial 3521 lots, Taishin Shin Kong Financial 1549 lots, Delta Electronics 1533 lots, Uni-President 1030 lots, Far EasTone 881 lots, First Financial 536 lots, Chang Hwa Bank 493 lots. The top 10 net-bought stocks were Walsin Technology 2094 lots, Chang Wah 2000 lots, Inventec 1728 lots, Nan Ya Plastics 1256 lots, ASE Technology Holding 1142 lots, Silergy-KY 1100 lots, SinoPac Financial 1077 lots, Synnex 1072 lots, Taiwan Cooperative Financial 890 lots, LandMark 836 lots. Investing involves risks; please read the prospectus carefully before subscribing, prudently assess risks and bear investment results yourself.

FAQ

Why did UMC hit limit down?

UMC (2303) was net sold 129272 lots by foreign investors and 20517 lots by investment trusts, totaling 149789 lots. Its share price fell 12.5 yuan, down 9.77%, closing at 115.5 yuan limit down.

How did the Taiwan benchmark index perform on the 29th?

Taiwan stocks closed at 46368.33 points on the 29th, plunging 667.25 points, with turnover of 7891.52億元; the OTC index fell 1.83% with turnover of 2127.33億元, showing a sharp pullback.

Which stocks did foreign investors and investment trusts net buy?

Foreign investors net bought Taishin Shin Kong Financial 19911 lots and CTBC Financial 17315 lots leading; investment trusts net bought Walsin Technology 2094 lots and Chang Wah 2000 lots leading, mostly financial and electronics stocks.