Market Overview
Tokyo equities surged on Friday, June 12, 2026, as a broad risk-on rally swept through the Nikkei 225 following news that Iran announced a halt to planned military action, with the benchmark index briefly gaining more than 2,800 yen intraday. The rally was led decisively by nonferrous metals and semiconductor-related names, while defensive and services sectors struggled to participate. The yen remained largely stable, trading in the low 160s per dollar, offering little friction to equity gains.
Top Gainers
The day’s standout performers were concentrated in metals and chipmaking equipment, two areas that benefit sharply from improved global risk appetite and resilient demand narratives.
- Mitsui Kinzoku Co Ltd (5706): +17.60% — The top gainer of the session by a wide margin, surging alongside the broader nonferrous metals complex as geopolitical tensions eased and commodity sentiment improved.
- Disco Corporation (6146): +14.09% — The precision dicing and grinding equipment maker posted the second-largest gain, reflecting renewed investor conviction in semiconductor capex cycles.
- Sumitomo Metal Mining Co (5713): +11.67% — Another nonferrous metals heavyweight that benefited from the same tailwinds as Mitsui Kinzoku, underlining the sector’s dominance on the day.
- Lasertec Corp (6920): +9.45% and Advantest Corp (6857): +8.54% — Both advanced sharply, part of a broader re-rating of Japan’s semiconductor equipment cluster.
- Screen Holdings (7735): +7.35%, Tokyo Electron (8035): +7.26%, and SUMCO Corporation (3436): +7.19% — The chip-supply-chain cohort moved in lockstep, cementing the semiconductor theme as a key driver of the session’s gains.
It is also worth noting that Kioxia Holdings reportedly surpassed all domestic rivals to claim the top spot by market capitalisation on the Tokyo exchange — a milestone reflecting the growing weight of memory and semiconductor names in Japan’s equity landscape.
Top Decliners
Not all corners of the market participated in the rally. Several technology services and consumer-facing names came under pressure.
- Taiyo Yuden (6976): -5.44% and Murata Manufacturing (6981): -4.58% — The electronic components pair bucked the broader tech trend, suggesting selective rotation rather than uniform buying.
- Shift Inc (3697): -4.92%, BayCurrent Inc (6532): -3.70%, and Recruit Holdings (6098): -3.27% — Services and consulting names lagged as the sector posted its worst aggregate performance of the day.
- Fujitsu (6702): -3.18% and NEC Corp (6701): -3.02% — IT infrastructure and systems integrators also declined, contrasting sharply with the rally in hardware and equipment peers.
- Asahi Group Holdings (2502): -3.14% — The beverage giant slipped as food and consumer staples fell out of favour in a risk-on environment.
Sector Snapshot
Nonferrous Metals was the clear sector leader at +7.40%, followed by Shipbuilding (+3.07%), Rubber (+2.70%), and Machinery (+2.57%). Steel and Precision Instruments also posted solid gains, reflecting broad industrial optimism. Banks advanced +2.16%, consistent with a risk-on backdrop. At the other end, Mining (-1.33%), Gas (-1.22%), and Services (-1.30%) were the session’s weakest sectors. Land Transportation and Railways also declined modestly, while Oil & Gas dipped slightly despite the geopolitical backdrop, possibly as crude alternative procurement strategies continue to evolve according to government commentary.
Source: Tokyo Stock Exchange data | Japan Economic News