Japanese shares have logged their highest ever year-end close, driven by technology stocks as investors bet on the artificial intelligence boom and Tokyo’s ability to withstand increased geopolitical turbulence and trade tensions.
The Topix closed the final session of 2025 at 3,408.97: up 23.7 per cent since the start of January and marking the first time that the broadest index of Japanese stocks has ended a year above 3,000 points.
The Topix’s best performing stock of the year was Kioxia, the memory chipmaker whose fortunes have been spectacularly boosted by AI and the expected demand for data storage. The company’s shares surged 540 per cent in 2025.