Foreign Investors Sell Japanese Stocks After Nine Weeks as Technology Rally Stalls

A 496.8 Billion Yen Reversal After Japan's Record Rally

Foreign investors sold a net 496.8 billion yen ($3.37 billion) of Japanese stocks in the week to August 20, ending nine weeks of net buying as the technology rally slowed and investors took profits. The reversal followed a surge that carried the Nikkei 225 to a record 43,876.42 in mid-August, nearly 39% above its April lows.

The Nikkei fell 1.72% during the selling week. SoftBank Group, which had climbed as much as 43.9% in a single month, finished the week down 9.9%. Advantest, which makes equipment used to test computer chips, lost 4.7%.

The change was sharp, but it followed substantial purchases. Japan's Ministry of Finance figures put foreign net buying at 4.22 trillion yen in the current quarter, following 7.19 trillion yen in the previous quarter. In the week of August 16 alone, overseas investors bought a net 1.16 trillion yen ($7.87 billion), their largest weekly purchase in more than four months.

As of August 28, 2025, the central issue is whether this retreat marks a pause after unusually rapid gains or the beginning of a longer change in investment flows. Corporate reforms, stronger shareholder payments and changes in Japanese household investing continue to support the market, while currency movements and renewed interest in American assets could slow foreign demand.

For investors, the immediate change is concrete: companies that helped lift the index to records are now contributing to its decline. The forces affecting share prices over a week, however, operate on a different timetable from reforms intended to change how Japanese businesses use their money.

How the Rally Built Through August

Japan's market advance in 2025 drew strength from domestic economic data, corporate earnings and foreign money seeking alternatives to the United States and China. Buying spread across the market, although technology shares recorded some of the most striking gains.

The Nikkei 225, Japan's flagship stock index, rose nearly 39% from its April lows to its August record. Such a rapid climb gave investors substantial gains to protect and left prices vulnerable when enthusiasm for technology shares weakened.

The main steps in the rally and reversal were:

• April 2025: The Nikkei reached the lows from which its subsequent advance was measured.
• June 21: The last weekly net foreign selling before the latest reversal was recorded.
• Mid-August: The Nikkei reached a record 43,876.42, nearly 39% above its April lows.
• Week of August 16: Foreign investors bought a net 1.16 trillion yen ($7.87 billion), the largest weekly purchase in more than four months.
• Week to August 20: Foreign investors sold a net 496.8 billion yen ($3.37 billion), while the Nikkei fell 1.72%.

The latest weekly net sale was less than half the preceding 1.16 trillion yen weekly purchase. It was also small beside the 4.22 trillion yen of net buying recorded in the current quarter. Those figures put the reversal in perspective: overseas investors had accumulated substantial exposure before reducing it.

Net buying means purchases exceeded sales; net selling means the opposite. A weekly net sale therefore describes the balance of transactions during that period, while the quarterly figures show how much money had flowed into the market over a longer stretch.

Why Overseas Investors Chose Japan

Japan attracted investors looking to spread their money across countries as American markets faced uncertainty over trade policy and high valuations. Chinese equities were also under pressure from regulatory crackdowns, making Japan a relative haven for some global capital.

J.P. Morgan analysts described the investment case in terms of economic stability and changes within Japanese companies:

Japan stands out for its macro stability and safety amid global trade uncertainty, supported by cyclical and structural tailwinds in its equity markets.

Cyclical support refers to conditions that move with the economy, such as improving earnings or demand. Structural support comes from more lasting changes, including efforts to improve company management and the way businesses allocate capital.

The Tokyo Stock Exchange and the government have pressed companies to improve corporate governance and capital efficiency. In everyday terms, that means managing businesses more effectively and making better use of the money shareholders have invested.

Companies have faced pressure to increase dividends and buy back shares. Dividends distribute money to shareholders, while buybacks use company funds to purchase its own shares. Both can return surplus cash to investors instead of leaving it unused on company balance sheets.

Japan's economy also supplied support. Inflation had begun to take hold after decades of deflation, wage growth was supporting domestic demand, and the economy had shown resilience. A weaker yen helped exporters compete abroad and supported the investment case through company earnings, although currency conversion also affects what overseas shareholders receive in their own currencies.

Why Technology Shares Led the Retreat

SoftBank's rise of as much as 43.9% in a month illustrates how quickly expectations had lifted some technology shares. Its subsequent weekly decline of 9.9%, alongside Advantest's 4.7% fall, showed how quickly investors could move to protect those gains.

Profit taking means selling an investment after its price has risen to secure the gain. Following record inflows and rapid price increases, investors had a financial reason to reduce positions when the technology rally began losing momentum.

Changes outside Japan also affected the calculation. As the United States softened its trade stance and reached new deals, confidence in American assets began to recover. That recovery could reduce the flow of money seeking alternatives in Japan.

The yen had strengthened roughly 10% against the dollar since January, changing the currency conditions that had accompanied earlier buying. A stronger yen can put pressure on exporters, while an overseas investor's eventual return also depends on the exchange rate used to convert the investment back into dollars or euros.

No firm timetable was given for a recovery in foreign buying. The immediate picture was a combination of profit taking, weaker technology shares and changing global preferences, set against continuing support from corporate reforms and domestic economic conditions.

Japanese Investors Also Reduced Overseas Holdings

Japanese investors were adjusting their own international portfolios during the same week. They sold a net 306.1 billion yen of foreign stocks, their third week of net selling in four weeks.

They also sold a net 167.2 billion yen of international bonds with longer maturities, extending that selling into a second consecutive week. Together, the figures show Japanese investors reducing exposure to both foreign shares and that category of overseas debt.

These weekly transactions sit alongside a broader change in household finances. Japanese households, traditionally known for keeping substantial savings in cash and deposits paying little interest, have gradually been moving money into stocks and mutual funds.

Inflation helps explain the change. When prices rise, cash that earns little interest buys less over time. Investments carry the risk of losses, but households seeking to protect purchasing power have a stronger reason to consider alternatives to deposits.

Morgan Stanley, discussing changes in Japan's economy and household investment behavior, described the shift this way:

Japan's economy has recently shifted from decades of deflation to moderate inflation, leading to rising interest rates after years of negative rates. This change is altering investor behavior, with Japanese households now focusing on protecting assets against inflation rather than just saving cash.

NISA and Lower Entry Costs Broaden Access

The expanded Nippon Individual Savings Account system, known as NISA, began in 2024 and provides opportunities to invest with tax exemptions. It has helped accelerate the move toward investments, especially among younger people seeking protection against inflation.

The Tokyo Stock Exchange is also encouraging listed companies to lower their minimum investment thresholds. A lower threshold reduces the amount a person must commit to buy into a company, making participation more accessible to households with smaller investment budgets.

High minimum purchases and bureaucratic processes have historically discouraged individual investors. Younger Japanese investors may also approach market risk differently from older generations whose attitudes were shaped by the collapse of the asset bubble in the 1990s.

Foreign investors still own about 32% of Japan's stock market. Domestic retail investors are becoming a more substantial presence, however, and Japan's household savings pool is estimated at $7.7 trillion.

Even a modest movement from that pool into equities could provide substantial demand. The opportunity rests on households choosing to invest, with NISA and lower entry costs making that choice easier to act on.

Shareholder Payments and Valuations Support the Case

Japan's corporate reforms have helped drive record dividends and share buybacks. Dividends were forecast to reach 18.3 trillion yen in 2024, while buybacks more than doubled from the previous year.

WisdomTree, describing the change in how Japanese businesses manage their cash, said:

Japanese companies have shifted from cash hoarding to returning capital to shareholders, with payouts quadrupling over a decade, driven by governance reforms and pressure to deploy idle cash.

Warren Buffett's prominent investments in Japanese trading companies have also brought attention to the market. His involvement sits alongside a broader argument that companies can become more attractive investments by using surplus funds more productively and returning more money to shareholders.

Valuation provides another part of that argument. According to WisdomTree, Japanese equities traded at a discount of about 32% to American shares on a forward price to earnings basis.

A forward price to earnings ratio compares a share's price with the earnings expected from the company. A lower ratio means investors are paying less for each unit of anticipated profit. Supporters of Japanese stocks see room for prices to rise if earnings grow and reforms continue.

Economic resilience adds to that case. Stable inflation, wage growth and a booming tourism sector have helped Japan withstand global shocks. Combined with potential household investment flows, these factors give the market sources of support beyond foreign purchases alone.

Which Industries Are Drawing Attention?

Technology remains central to investor interest despite the latest retreat. Japan has competitive businesses in robotics, semiconductors and artificial intelligence, with SoftBank, Sony and Tokyo Electron viewed as potential beneficiaries of global technology growth.

Automakers are another focus. Toyota and Honda are adapting to demand for greener transport through work on electric vehicles and battery technology. Their investment appeal depends partly on how successfully they respond to changes in the global vehicle market.

Healthcare interest reflects Japan's aging population and demand for pharmaceutical and biotechnology innovation. Takeda and Astellas Pharma are among the companies attracting attention in that area.

Financial companies have a different source of support. Rising interest rates and increased lending activity are helping banks, including Mitsubishi UFJ Financial Group and Sumitomo Mitsui Financial Group.

Investors seeking broader exposure can use exchange traded funds or mutual funds focused on Japanese equities rather than selecting individual companies. Investors in the United States can also access some Japanese businesses through American Depositary Receipts, securities that represent shares in foreign companies.

Currency, Trade and Demographics Remain Risks

Japan's aging population and shrinking workforce could restrain economic growth unless productivity gains or immigration reforms offset those pressures. For companies, the longer term challenge is to generate growth with fewer available workers.

Currency volatility affects both businesses and shareholders. Export competitiveness changes with the yen, and overseas investors face a second calculation when translating Japanese investment returns into their home currencies.

Trade policy remains another vulnerability because Japan is sensitive to economic relationships with the United States and China. Tariffs, disruptions to supply chains and geopolitical tensions could weigh on growth and company earnings.

The speed of the stock rally creates a more immediate risk. After a climb of nearly 39% from April lows, further profit taking could produce sharp price swings, particularly if global sentiment changes or corporate reforms lose momentum.

Overseas investors have also encountered difficulties in Japanese bonds. Bond yields and the cost of currency hedging have complicated returns. Hedging means taking steps to reduce exposure to exchange rate movements, and the cost of that protection affects how much an investment ultimately earns.

What Supports the Outlook After the Pullback?

Most analysts remained constructive on Japanese equities despite the latest foreign selling. Their case combined ongoing corporate reform, economic resilience and the possibility of further investment from both domestic and overseas buyers.

Invesco, setting out its 2025 outlook for Japanese equities, said:

We are constructive on the Japanese equity market amid country-specific structural factors, the macroeconomic backdrop, and corporate governance reforms.

The Tokyo Stock Exchange's initiatives and government policies encouraging investment are expected to keep pushing companies toward better use of capital and stronger shareholder returns. NISA and efforts to lower minimum investment amounts could also broaden participation among Japanese households.

Short term price swings remain likely as markets respond to trade policies, exchange rates and interest rates. The latest selling shows how quickly foreign demand can change after a strong rally. The longer investment case rests on whether corporate earnings, shareholder payments and changes in household investing continue to develop.

Key Points

• Foreign investors sold a net 496.8 billion yen ($3.37 billion) of Japanese shares in the week to August 20, their first weekly net selling in nine weeks.
• The Nikkei reached a record 43,876.42 in mid-August, nearly 39% above its April lows, before falling 1.72% during the selling week.
• SoftBank fell 9.9% and Advantest lost 4.7% as investors took profits in technology shares.
• Foreign net purchases totaled 4.22 trillion yen in the current quarter, following 7.19 trillion yen in the previous quarter.
• Corporate reforms, shareholder payments, NISA and household savings support the longer investment case.
• Currency movements, trade uncertainty, demographic pressures and further profit taking remain risks.