Zhijun Finance App noticed that last week, in the context of the yen weakening and global enthusiasm for AI-related companies, foreign investment buying boosted the Japanese stock market, easing concerns about the Bank of Japan's policy outlook.

According to exchange data, as of the week ending June 28, cross-border investors net purchased 604.93 billion yen worth of Japanese stocks, the largest weekly net purchase since April 12.

Data shows that investors bought 480.96 billion yen worth of derivative contracts and 123.97 billion yen worth of cash stocks, a sharp contrast to the previous week's net sales of 603.7 billion yen and 21.37 billion yen.

Technology-related stocks attracted strong demand, with semiconductor testing equipment maker Advantest soaring by about 11%, and SoftBank Group, an investor focused on AI, rising by about 5% this week.

The TOPIX index recorded its largest weekly gain since March 12, rising 3.12% last week, while the Nikkei Average rose about 2.56%.

Supported by optimism about strong corporate performance in the second half of the year, both major indexes closed at record highs on Thursday.

However, data from Japan's Ministry of Finance shows that foreign investors withdrew about 130.9 billion yen from long-term Japanese bonds, marking the third consecutive week of net selling.

Meanwhile, Japanese investors continued to sell foreign bonds for the second consecutive week. They sold 254.4 billion yen worth of long-term and 67.3 billion yen worth of short-term overseas bonds last week.

In the stock market, Japanese investors sold foreign securities worth 488.8 billion yen, after a net purchase of 119.3 billion yen the previous week.