Japan Stock Market (JP225) Today: Why Is the Tokyo Stock Exchange (TSE) Market Up Today? Nikkei 225 Surges Over 3%, TOPIX Gains 1.2% As Tech Stocks Rally – What Investors Should Know

Japan's Nikkei 225 rallied over 2,000 points to finish above the 66,000 level, driven by a global tech rally and strong US market performance. SoftBank, Kioxia and Advantest were among the biggest gainers, while Toyota and Fast Retailing ended lower.

By: Zainab Khanam
Last Updated: August 5, 2026 10:13:12 IST

Japan Stock Market Today: Japan’s benchmark Nikkei 225 Index surged more than 3% on Wednesday, August 5, crossing the 66,000 mark for the first time in nearly two weeks. Strong gains in technology and semiconductor stocks, record highs on Wall Street, and easing concerns over global oil prices boosted investor confidence.

How Did The Nikkei Perform Today?

Japan’s Nikkei 225 Index closed at 66,030.81, gaining 2,073.28 points, or about 3.24%, on Wednesday. The broader Topix Index also moved higher, rising 1.2% to close at 4,009, reflecting broad buying across the Tokyo Stock Exchange. The Nikkei touched an intraday high of 66,170.04, while its lowest level during the session was 64,555.52.

What Drove The Market Rally?

The biggest boost came from a strong overnight rally on Wall Street, where the Dow Jones and S&P 500 closed at record highs after strong corporate earnings. The positive sentiment spread to Asian markets, encouraging investors to buy technology shares. Lower global oil prices also supported the rally after reports suggested that the United States and Iran were close to an interim agreement that could help reopen the Strait of Hormuz, easing concerns over energy supplies. At home, government data showed that Japan’s real wages increased for the sixth straight month in June, improving confidence in consumer spending despite expectations that the Bank of Japan could continue raising interest rates.

Which Stocks Led The Gains?

Technology, artificial intelligence and semiconductor companies recorded the strongest gains during the session. SoftBank Group jumped 7.8%, while Kioxia Holdings climbed 7.4% after optimism in the global memory chip sector. Advantest gained 5.7%, Tokyo Electron rose nearly 4%, and Ibiden Co. advanced 5.1% as semiconductor-related stocks tracked the strong rally in the US Nasdaq.

Which Stocks Fell?

While technology shares surged, some consumer and automobile companies ended lower. Fast Retailing, the owner of Uniqlo, fell 1.84%, while Toyota Motor slipped 1.44% as a stronger Japanese yen raised concerns over export earnings.

Why Did Lower Oil Prices Help Japan?

Japan imports most of its energy requirements, making lower crude oil prices beneficial for the country’s economy. Reports of possible progress between the US and Iran over the Strait of Hormuz reduced fears of supply disruptions, sending oil prices lower and improving market sentiment in Japan.

Key Things Investors Should Watch In Japan’s Stock Market

The Nikkei 225 jumped 3.24%, but investors should look beyond the rally and focus on long-term trends and risks.

1. Japan’s Economy Is Improving

Deflation is ending: Rising wages are helping people spend more, supporting economic growth. Companies are rewarding shareholders: Firms are increasing share buybacks and dividends, making Japanese stocks more attractive. Global investors are returning: Big investors, including Warren Buffett, have increased their investments in Japanese companies.

2. Risks to Watch

Yen movement: A stronger yen could hurt major exporters like Toyota. Interest rate hikes: Faster-than-expected rate increases by the Bank of Japan could trigger market volatility. Low August trading: Markets are usually less active in August, so global events can cause bigger price swings.

3. Investment Trend

Focus is shifting: Investors are moving from expensive AI chip stocks to companies that build data centre infrastructure. Sectors to watch: Optical communications, networking equipment, power systems, and cooling technologies.

Disclaimer: This article is for informational purposes only and should not be construed as investment advice; investors should consult a qualified financial advisor before making any investment decisions.

Also Read: Japan Stock Market (JP225) Today: Why Is the Tokyo Stock Exchange (TSE) Market Down Today? Nikkei 225 Falls About 1.85%, TOPIX Drops 1.32% Amid Volatile Investor Sentiment– What Investors Should Know?

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