Economy April 23, 2026 12:22 AM

Foreign Buying Pushes Japanese Stocks Higher Amid AI Rally and Iran Ceasefire Hopes

Net foreign purchases surge as technology names lead gains; bond flows show divergent trends

By Sofia Navarro
Foreign Buying Pushes Japanese Stocks Higher Amid AI Rally and Iran Ceasefire Hopes

Foreign investors poured a net 2.38 trillion yen into Japanese equities in the week through April 18, driven by gains in AI-linked technology stocks and improved risk appetite tied to hopes for a Middle East ceasefire. While equities saw heavy foreign demand, overseas investors reduced holdings of long-term Japanese government bonds, and domestic investors continued to favour foreign equities over foreign debt securities.

Key Points

  • Foreign investors purchased a net 2.38 trillion yen of Japanese stocks in the week through April 18, following a record 3.94 trillion yen net purchase the prior week.
  • Technology-related names led gains, with SoftBank Group up 19.83% and Advantest up 11.52% in the week; the Nikkei crossed 60,000 for the first time.
  • Foreigners sold 298.2 billion yen of long-term Japanese bonds while buying 1.89 billion yen of short-term bills; Japanese investors bought 338.1 billion yen of foreign equities and sold 183.3 billion yen of foreign debt securities.

Foreign investment poured into Japanese equities in the week ending April 18, with overseas buyers adding a net 2.38 trillion yen to local stocks, according to data released by Japan's Ministry of Finance on Thursday. That inflow followed a record 3.94 trillion yen weekly net purchase the previous week.

Market participants cited an early-stage rally in technology names as a key driver of the improved risk appetite. SoftBank Group rose 19.83% over the week, while semiconductor test equipment maker Advantest climbed 11.52% in the same period. Those moves coincided with the Nikkei surpassing the 60,000 mark for the first time on Thursday as U.S. President Donald Trump earlier this week indefinitely extended the Iran ceasefire.

The equity flows contrasted with activity in Japan's bond market, where foreign investors sold 298.2 billion yen of long-term Japanese government bonds, ending a two-week streak of net purchases. At the same time, foreigners bought short-term bills with a net value of 1.89 billion yen after three consecutive weeks of net sales in that segment.

On the cross-border flows side, Japanese investors maintained their recent pattern of buying overseas equities, extending that streak to a ninth straight week with net purchases of foreign stocks totaling 338.1 billion yen. Conversely, they remained net sellers of foreign debt securities, divesting 183.3 billion yen in the latest week, marking their fifth weekly net sale in the past six weeks.

Exchange-rate data in the report put the dollar at 159.4900 yen for the period under review.


Context and market implications

The week's data underline a divergence in investor preferences: strong appetite for Japanese equities, particularly technology names linked to artificial intelligence, amid simultaneous rebalancing out of longer-duration local bonds by foreigners and continued Japanese demand for overseas equities. The flows reflect decisions across asset classes rather than a uniform move into or out of Japan.

Risks

  • Expectations of a Middle East ceasefire may be uncertain - shifts in that outlook could affect risk appetite and equity flows, particularly in technology stocks.
  • Foreign selling of long-term Japanese government bonds introduces uncertainty in the bond market and could influence yields and fixed-income investor behaviour.
  • Japanese investors' ongoing net sales of foreign debt securities represent a continued preference shift that could affect demand for overseas fixed-income assets.

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