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Japan Market Close: Nikkei Average Reverses Down on AI Investment Concerns, Temporarily Falls Over 1400 Yen but Shows Resilience Towards Close 日本市場引け: AI投資懸念で日経平均反落、一時1400円超下落も引けにかけて底堅さ
On October 19th, the Japanese stock market saw a significant pullback in the Nikkei Average, following the downturn in US technology stocks over the previous weekend. Although the market experienced a temporary plunge of over 1400 yen during trading hours, it narrowed its losses towards the close, demonstrating underlying strength.
The Nikkei Average finished trading at 64,916.70 yen, down 407.59 yen from the previous weekend, marking its first decline in two trading days. The temporary sharp drop was attributed to ongoing market concerns over massive investments in AI (artificial intelligence) related companies and the financial health of corporations. However, the market showed resilience in the afternoon, with buying interest emerging in non-semiconductor related stocks that appeared undervalued.
Among individual stocks, INPEX (Japan Petroleum Exploration) saw a significant rise, leading gains in the mining and oil & coal product sectors. Conversely, Fast Retailing was a major drag on the Nikkei Average, subtracting approximately 150 yen from the index. Key AI and semiconductor-related stocks such as Advantest, SoftBank Group, and Tokyo Electron also faced selling pressure. Baycurrent Consulting attracted buying interest after Daiwa Securities raised its target price to 11,200 yen.
In the broader market context, the significant decline in the Nasdaq Composite Index due to financial concerns surrounding AI cloud service companies in the US market last Friday had a ripple effect on the Tokyo market. Furthermore, the resurgence of WTI futures prices above $100 per barrel in the New York oil market was cited as another source of investor anxiety. Detailed data on trading by investor type was not yet publicly available as of today.
Future focus will remain on the balance between investment and profit for AI-related companies, as well as the content of corporate earnings reports which are now in full swing. The market will be particularly watching whether AI-related companies can generate profits commensurate with their investments. Additionally, with the Asia-Pacific Economic Cooperation (APEC) Finance Ministers' Meeting being held in Hong Kong until the 21st, its developments will also be closely monitored. The steady performance of US stock index futures after the market close may offer some reassurance for the next trading day.
Sources: kobekeizai.jp, yomiuri.co.jp, kfb.co.jp, kabutan.jp10月19日の日本株式市場は、前週末の米国市場でのテクノロジー株安の流れを受け、日経平均株価が大幅に反落しました。取引時間中には一時1400円を超える下落幅を記録する場面も見られましたが、引けにかけては下げ幅を縮小し、底堅さを見せました。
日経平均株価は前週末比407円59銭安の6万4916円70銭で取引を終え、2営業日ぶりに下落しました。一時的な急落の背景には、AI（人工知能）関連企業への巨額投資や企業の財務体質に対する警戒感が引き続き市場に重くのしかかったことが挙げられます。しかし、午後には下げ渋り、下値では半導体関連以外の銘柄に値ごろ感に着目する動きも見られました。
個別銘柄では、INPEX（国際石油開発帝石）が大幅に上昇するなど、鉱業や石油石炭製品セクターが値上がり上位を占めました。一方で、ファーストリテイリングが日経平均を約150円押し下げる要因となり、アドバンテストやソフトバンクグループ、東京エレクトロンなどのAI・半導体関連の主力株も売られました。ベイカレント・コンサルティングは、大和証券が目標株価を1万1200円に引き上げたことが好感され、買いを集めました。
市場の背景としては、前週末の米国市場でAIクラウドサービス企業の財務不安からナスダック総合指数が大きく下落した影響が東京市場にも波及しました。また、ニューヨーク原油市場でWTI先物価格が再び1バレル＝100ドルを超えたことも、投資家の不安材料として指摘されています。投資主体別の売買動向については、本日時点での詳細なデータは公表されておりません。
今後の焦点は、引き続きAI関連企業の投資と利益のバランス、そして本格化する企業決算の内容にあります。特にAI関連企業において、投資に見合う利益が出ているかどうかが市場の注目を集めるでしょう。また、今週は香港でアジア太平洋経済協力会議（APEC）財務大臣会合が21日まで開催されるため、その動向も注視されます。引け後の米株価指数先物が堅調に推移していることは、翌日の市場にいくらかの安心感をもたらす可能性もあります。
出典: kobekeizai.jp, yomiuri.co.jp, kfb.co.jp, kabutan.jp
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Japan is also faltering due to AI. Should we start preparing too? It's like going to the gym and only lifting heavy weights for bulking without splitting, which is a recipe for injury.일본도 AI 때문에 휘청거리네. 우리도 슬슬 대비해야 하나. 헬스장도 다들 벌크업한다고 고중량만 치고 분할 안 하면 부상 오기 딱 좋은데.
Japan is also shaken by the AI craze. I feel like Korea will be like this soon too ㅠㅠ일본도 AI 열풍에 흔들리네. 우리나라도 곧 저럴 거 같은데 ㅠㅠ