美國擴大晶片禁令,輝達股價重挫!




全球晶片股大跌 美國限制Nvidia對華出口AI晶片 令該公司或遭逾55億美元損失

周三,全球晶片股普遍下挫,因美國對Nvidia一款專為中國市場訂製的AI晶片實施出口限制,進一步切斷了半導體行業重要的增長市場。Nvidia表示,這項出口限制將導致公司計提約55億美元的費用損失。

Nvidia指出,美國限制出口其名為H20的AI晶片到中國,與此同時,AMD的MI308晶片及其同類產品亦受影響。

近年來,美國對中國的出口限制已經對美企造成壓力,但中國依然是Nvidia重要的收入來源,該公司上一財年有超過13%銷售額,即約170億美元來自中國市場。

與此同時,全球最大電腦晶片製造設備供應商ASML亦警告,關稅問題增加了其2025及2026年業務展望的不確定性,導致其股價下跌超過4%。

摩根士丹利分析師指出:「我們對於H20晶片受限並不感到意外,但目前主要限制是供應,因此H20晶片突然減產,加上庫存減值,將可能對收入和盈利造成干擾。」

周三盤前交易中,Nvidia股價下跌5%,AMD跌超過6%,Micron Technology、Broadcom及Intel則分別下跌2%至4%。

Bernstein分析師Stacy Rasgon批評,禁止H20晶片出口「毫無意義」,因為這等於將中國的AI市場拱手讓給華為等競爭對手。

美國政府此舉是為了防止關鍵晶片流入中國,藉此在AI競賽中保持競爭優勢。

Rasgon表示:「如果H20晶片完全停產,對現價來說影響約30美分,影響並不算巨大。」

Intel是否真的被低估?

隨著Intel成為焦點,投資者紛紛質疑其估值是否合理。InvestingPro的先進AI算法分析了Intel及數千隻股票,尋找具巨大上升潛力的隱藏寶石,但Intel並未位列榜首。

評論與啟示:

這次美國對Nvidia針對中國市場的AI晶片出口限制,反映出全球科技競爭加劇的現實,尤其是在半導體和人工智能領域。雖然此舉旨在保護美國的技術優勢,但同時也可能削弱美企在中國這一巨大市場的競爭力。Bernstein分析師的看法點出問題核心:限制先進晶片出口,反而可能讓中國國產或本土企業如華為迅速崛起,從長遠角度看,未必是美國利益最大化的策略。

此外,ASML的警告也提醒我們,貿易政策和關稅不僅影響單一企業,還會對整個供應鏈和產業前景帶來不確定性,投資者需密切關注地緣政治與經濟政策的變化。

最後,投資者對Intel估值的疑問,反映出市場對傳統半導體巨頭未來成長的期待與擔憂。AI晶片市場的快速變化和政策風險,讓傳統廠商必須加快創新步伐,才能在新一輪科技競爭中站穩腳跟。

總括而言,這場出口限制事件不僅是商業問題,更是國際科技競爭和政策博弈的縮影,值得業界和投資者深入思考其長遠影響。

以上文章由特價GPT API KEY所翻譯及撰寫。

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