台股跌716點失守月線 權值股疲軟記憶體族群重挫
台股今天開低震盪，在權值股及記憶體族群弱勢下，終場下跌716.26點，收在40175.56點，失守40235點月線關卡；台積電終場下跌35元、收2205元，聯發科跌逾7%，記憶體族群重挫。
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- 📰 發表: 2026年5月19日 15:15
- 🔍 收集: 2026年5月19日 15:32（發表後16分鐘）
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（中央社記者 江明晏 台北19日電）台股今天開低震盪，在權值股及記憶體族群弱勢下，終場下跌716.26點，收在40175.56點，失守40235點月線關卡；台積電終場下跌35元、收2205元，聯發科跌逾7%，記憶體族群重挫。
台股今天加權指數終場收在40175.56點，下跌716.26點，跌幅1.75%，成交值新台幣1兆880.73億元；電子股指數跌2.2%，金融股指數漲1.24%；櫃買指數跌幅2.8%，收盤指數失守401.53點月線關卡。
觀察權值股表現，台積電終場下跌35元，收2205元，跌幅1.56%；國巨、鴻海分別下跌0.8%及1.41%，聯發科跌7.21%；南亞科、華邦電、旺宏及鈺創跌停。（編輯：張良知）1150519
台股今天加權指數終場收在40175.56點，下跌716.26點，跌幅1.75%，成交值新台幣1兆880.73億元；電子股指數跌2.2%，金融股指數漲1.24%；櫃買指數跌幅2.8%，收盤指數失守401.53點月線關卡。
觀察權值股表現，台積電終場下跌35元，收2205元，跌幅1.56%；國巨、鴻海分別下跌0.8%及1.41%，聯發科跌7.21%；南亞科、華邦電、旺宏及鈺創跌停。（編輯：張良知）1150519
常見問題
What was the performance of the Taiwan stock market today?
The Taiwan stock market (Taiex) closed down 716.26 points at 40175.56, a decrease of 1.75%.
Which major stocks contributed to the market's decline?
Bellwether stocks such as TSMC (down 35 NTD), MediaTek (down over 7%), and memory chip companies like Nanya Tech, Winbond, Macronix, and Etron (all hitting daily limits) were significant contributors.
Did the Taiex break any key technical levels?
Yes, the Taiex fell below its monthly moving average of 40235 points. The OTC index also fell below its monthly moving average of 401.53 points.
What was the trading volume for the day?
The total trading value for the day was NT$1.088073 trillion.
How did different sectors perform?
The electronic stock index fell by 2.2%, while the financial stock index rose by 1.24%.