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17.03.2026 08:45 AM
3月17日股市:S&P 500與NASDAQ反彈,但漲勢顯得脆弱

股市指數昨日小幅反彈收盤。S&P 500 上漲 1.01%,Nasdaq 100 上漲 1.22%,Dow Jones Industrial Average 上漲 0.83%。

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在超大市值科技股強力反彈帶動下,全球股市短暫出現的歡騰氣氛,如今似乎正逐漸消退。隨著歐洲時段開盤,先前的樂觀情緒開始被更為冷靜的風險重估所取代——其中最突出的,就是中東局勢升級的風險。地緣政治緊張引發的原油價格飆升,猶如一盆冷水澆在情緒高昂的投資人身上。

近日市場曾盛傳美國與伊朗正在積極磋商,以解決這場衝突並避免更大規模戰爭爆發,但事後證明不過是「傳言」而已。德黑蘭方面正式否認相關報導,打破了市場對迅速解決問題的期待,再度對股市形成壓力。擔憂局勢進一步惡化及其經濟衝擊的投資人,已開始轉向更為保守的資產。

這種情緒轉變勢必會影響市場結構。近期領漲反彈的科技股板塊,如今顯得愈發脆弱,因為投資人正在尋求避風港。偏高的能源價格很可能維持一段時間,這將加劇通膨憂慮,並對消費支出形成壓力。

目前歐洲股指期貨已下跌約0.5%,此前 Brent 原油在週一下跌2.8%之後,最新又急升4.4%,突破每桶104美元。

另一方面,亞洲股市連續第二個交易日走高,此前 Nvidia Corp. 發表的樂觀言論,提振了整個地區的科技股。美國公債全線走弱,10年期殖利率上升3個基點至4.24%。黃金價格上漲,為連續五個交易日下跌後的首次反彈。

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如前所述,中東衝突持續影響市場,交易員正密切關注經過霍爾木茲海峽的船舶動向。美國總統Donald Trump再度呼籲其他國家協助維護這一重要水道的安全,並警告將加大對石油基礎設施的打擊力度。作為回應,伊朗攻擊了一處大型天然氣田,進一步惡化了本已緊張的燃料供應狀況。

至於S&P 500的技術面分析,目前買方的當務之急是突破6,682點的阻力位。這將有助於指數重新獲得上行動能,並為進一步上攻6,697點打開空間。若能守住並控制在6,711點之上,將進一步強化多頭格局。下行方面,買方必須守住約6,672點一帶支撐;一旦跌破該水準,該交易標的可能迅速回落至6,660點,並有機會進一步下探至6,651點。

Jakub Novak,
Analytical expert of InstaForex
© 2007-2026
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