The Nikkei 225 closed at ¥64,621.24 on the Tokyo Stock Exchange on 21 October, up ¥545.82 from the previous day, after at one point gaining more than ¥1,300. Following earnings released by US space company SpaceX, buying spread broadly, particularly in AI-related and semiconductor stocks.
The Nikkei 225 rose ¥545.82 from the previous day to close at ¥64,621.24 in the Tokyo market on 21 October, marking its first gain in 3 trading days. It briefly rose more than ¥1,300 during the session but ultimately closed at this level. Against the backdrop of the peak period for interim earnings announcements, market participants expressed the view that a recovery could advance if strong earnings are confirmed.
Reports said that revenue and other figures increased, mainly in AI-related businesses, in SpaceX’s July–September 2026 quarter following the US space company’s earnings release. Buying consequently spread in the Japanese market, particularly among AI- and semiconductor-related stocks. Investors appeared to view sustained AI demand and improved corporate earnings as positive factors.
The TOPIX rose 34.52 points to 4,043.73, supporting the market’s overall firmness. Market participants expressed the view that the stock market could continue to recover if strong earnings are confirmed as Japanese companies’ interim earnings announcements get into full swing.
Related reports noted that the spread of buying in response to developments at US and Japanese companies, along with market sentiment toward AI- and semiconductor-related stocks, could affect market formation going forward.