As soaring valuations in AI and semiconductor stocks prompt concerns about concentration risk, market analysts are increasingly pointing to energy shares as a potential alternative investment theme in an inflationary environment.

More than 1,000 food products and other consumer goods will see price increases from June, with the effects of instability in the Middle East now reaching supermarket shelves in unexpected ways, including the appearance of black-and-white potato chip packages.

Cosplayers gathered in Tokyo's Ikebukuro district on May 30th to promote environmental conservation by taking part in a large-scale cleanup campaign aimed at reducing marine plastic waste and other litter.

Generative artificial intelligence is rapidly becoming part of everyday life, helping people with everything from studying and work-related tasks to choosing travel destinations and seeking relationship advice, raising questions about how society should engage with a technology that is evolving faster than ever.

Japan's Defense Minister Shinji Koizumi held the first-ever trilateral meeting with his counterparts from Australia and New Zealand, where the three sides exchanged views on defense cooperation, including the potential export of the Maritime Self-Defense Force's latest frigate design.

The Japanese government revealed on May 29th that U.S.-based OpenAI has granted access to its latest artificial intelligence technology to a select group of major financial institutions in Japan.

A social media dispute between a 17-year-old high school student from Tokyo's Itabashi Ward and a 16-year-old boy from Edogawa Ward escalated into a planned group fight involving around 30 youths, some of whom allegedly brought weapons including a rusty saw, iron pipes, a special baton and even a shovel.

Toyota Motor has decided to halt development of the LF-ZC, a next-generation electric vehicle planned under its Lexus luxury brand, according to sources familiar with the matter.

Japan’s largest space business exhibition opened at Tokyo Big Sight on May 27th, showcasing a growing wave of companies from outside the traditional aerospace sector entering the rapidly expanding space industry.

Fujitsu announced its long-term management vision through fiscal 2035, unveiling plans to invest approximately 3 trillion yen over the next decade in growth businesses centered on artificial intelligence, quantum technologies, and other advanced fields as it seeks to significantly boost profitability.

A large solar power facility built on a mountainside in Fukushima City is generating reflected sunlight for far longer than originally projected, with a city survey finding that glare at some locations lasted up to 53 minutes per day—more than ten times the maximum duration predicted by the operator.

Health Minister Kenichiro Ueno apologized on May 29th after confusion spread over a new policy that will allow some medical institutions to charge cancellation fees for missed appointments from June, stressing that the fees will apply only in limited cases.

Japan is facing a growing transportation dilemma. While a record number of foreign visitors in 2025 has fueled congestion and traffic jams in major cities and tourist destinations, many rural communities are grappling with the opposite problem: shrinking populations and aging residents are making it increasingly difficult to maintain public transportation services.

Japan has enacted legislation allowing a sharp increase in fees charged to foreign residents for immigration procedures, with the cost of applying for permanent residence expected to rise from the current 10,000 yen to around 200,000 yen once the new system is implemented.

Volleyball player Shunichiro Sato, a member of Japan’s men’s national team, was arrested by the Tokyo Metropolitan Police Department on suspicion of possessing marijuana after allegedly leaving a bag containing the drug at a pachinko parlor in Tokyo.

Fixed-rate mortgage costs in Japan are set to rise again in June as the country's five major banks increase home loan rates in response to higher long-term interest rates, with their flagship 10-year fixed-rate mortgages rising to preferential rates of 3.27% at Mitsubishi UFJ Bank, 3.5% at Sumitomo Mitsui Banking Corporation, and 3.25% at Mizuho Bank.

Japan's population stood at 123.05 million in 2025, according to preliminary results from the national census released by the Ministry of Internal Affairs and Communications, marking a decline of 3.097 million people over the past five years.

Japan's declining population is set to trigger another review of single-seat electoral districts for the House of Representatives, with new census data highlighting widening disparities in voter representation and adding momentum to discussions over reducing the number of lawmakers.

Bank of Japan Governor Kazuo Ueda said on May 27th that Japan's economy is facing an "oil price shock" as tensions in the Middle East drive up crude oil prices, speaking at an international conference hosted by the central bank.

The route dispute surrounding the extension of the Hokuriku Shinkansen to Osaka has been thrown back into uncertainty, with the long-discussed "Obama-Kyoto Route" effectively returned to square one as ruling coalition lawmakers consider eight alternative plans, including a route via Maibara Station in Shiga Prefecture.

Finland is positioning economic resilience as a core pillar of national security, with Finnish Economic Affairs Minister Sakari Puisto emphasizing closer cooperation with Japan in advanced technologies, supply chain security and dual-use industries during a recent visit to Tokyo.

Prime Minister Sanae Takaichi met Philippine President Ferdinand Marcos Jr. on May 28th, agreeing to upgrade bilateral ties as the two countries deepen security cooperation in response to growing regional and global challenges.

Born with osteogenesis imperfecta, a rare disorder that makes bones fragile and prone to fractures, Toshiya Kakiuchi built a company with a mission to transform both the physical and emotional barriers faced by people with disabilities.

The “naphtha shortage” triggered by escalating tensions in the Middle East is now spreading into Japan’s housing industry, with shortages of paint, thinner, insulation materials and other building products forcing construction delays across the country.

The National Police Agency announced on May 28th that it will launch a new framework in cooperation with nine financial institutions aimed at rapidly tracing money stolen through special fraud schemes and other scams, as damages from such crimes reached a record high last year.