Nikkei 225 — daily market movers
Macro backdrop
The Nikkei 225 finished roughly flat, slipping 0.19%, with the Topix down 0.091%. The index had traded higher intraday on AI/data-center optimism but gave those gains back into the close. Despite the near-flat index, sector dispersion was extreme: the AI-infrastructure complex surged while growth, defensive, pharma and bank names fell. The key catalyst behind the leaders was a multi-billion-dollar Verizon–Corning deal to supply high-density optical fiber for AI infrastructure, which ignited Japanese cable makers and spilled into the nonferrous-metals complex.
Top 10 gainers
| # | Ticker | Company / business | Change | Likely Driver |
|---|---|---|---|---|
| 1 | 5801.T | Furukawa Electric Electric wire/cable, optical fiber and nonferrous metals; data-center optical cabling | +12.63% | Cable-maker leader surged on the multi-billion-dollar Verizon–Corning AI optical-fiber infrastructure deal. |
| 2 | 5301.T | Tokai Carbon Graphite electrodes, carbon black and SiC/carbon materials | +9.27% | Rode the broader materials and metals/AI theme; no standalone company-specific catalyst on the day. |
| 3 | 5803.T | Fujikura Optical fiber and cables for data-center interconnect | +8.07% | Lifted by the same AI optical-fiber order flow and data-center cable price-hike expectations. |
| 4 | 5019.T | Idemitsu Kosan Oil refining and petrochemicals | +7.58% | Refiners gained as Middle East/Iran tensions pushed crude oil prices higher. |
| 5 | 5713.T | Sumitomo Metal Mining Copper, nickel and gold smelting and mining | +6.17% | Nonferrous names rose on AI- and electrification-driven copper demand and structurally elevated copper prices. |
| 6 | 7013.T | IHI Corporation Aero-engines, heavy machinery and defense equipment | +6.00% | Moved with strength in industrials/defense; no clear company-specific news on the day. |
| 7 | 5802.T | Sumitomo Electric Industries Wire and cable, optical fiber and automotive wiring harnesses | +5.72% | Part of the AI optical-fiber/cable theme that led the session. |
| 8 | 5711.T | Mitsubishi Materials Copper and other nonferrous metals, plus cement | +5.46% | Rode the copper-price and nonferrous-metals rally. |
| 9 | 5706.T | Mitsui Mining & Smelting Nonferrous smelting (zinc, copper) and functional materials | +5.20% | Broad-based advance across the nonferrous-metals group. |
| 10 | 5714.T | DOWA Holdings Nonferrous smelting and recycling, plus electronic materials | +5.05% | Broad-based advance across the nonferrous-metals group. |
- 1. 5801.T+12.63%Furukawa ElectricElectric wire/cable, optical fiber and nonferrous metals; data-center optical cablingCable-maker leader surged on the multi-billion-dollar Verizon–Corning AI optical-fiber infrastructure deal.
- 2. 5301.T+9.27%Tokai CarbonGraphite electrodes, carbon black and SiC/carbon materialsRode the broader materials and metals/AI theme; no standalone company-specific catalyst on the day.
- 3. 5803.T+8.07%FujikuraOptical fiber and cables for data-center interconnectLifted by the same AI optical-fiber order flow and data-center cable price-hike expectations.
- 4. 5019.T+7.58%Idemitsu KosanOil refining and petrochemicalsRefiners gained as Middle East/Iran tensions pushed crude oil prices higher.
- 5. 5713.T+6.17%Sumitomo Metal MiningCopper, nickel and gold smelting and miningNonferrous names rose on AI- and electrification-driven copper demand and structurally elevated copper prices.
- 6. 7013.T+6.00%IHI CorporationAero-engines, heavy machinery and defense equipmentMoved with strength in industrials/defense; no clear company-specific news on the day.
- 7. 5802.T+5.72%Sumitomo Electric IndustriesWire and cable, optical fiber and automotive wiring harnessesPart of the AI optical-fiber/cable theme that led the session.
- 8. 5711.T+5.46%Mitsubishi MaterialsCopper and other nonferrous metals, plus cementRode the copper-price and nonferrous-metals rally.
- 9. 5706.T+5.20%Mitsui Mining & SmeltingNonferrous smelting (zinc, copper) and functional materialsBroad-based advance across the nonferrous-metals group.
- 10. 5714.T+5.05%DOWA HoldingsNonferrous smelting and recycling, plus electronic materialsBroad-based advance across the nonferrous-metals group.
Common Themes
The gainers were extraordinarily concentrated in a single 'AI hard-infrastructure' theme. The three cable/fiber majors (Furukawa, Fujikura, Sumitomo Electric) were ignited directly by the multi-billion-dollar Verizon–Corning AI optical-fiber deal, and the move spilled over along a 'copper for data centers and electrification' logic into nonferrous smelters (Sumitomo Metal Mining, Mitsubishi Materials, Mitsui Mining & Smelting, DOWA). Energy names such as Idemitsu formed a separate thread, driven by higher oil prices on Middle East tensions.
Top 10 losers
| # | Ticker | Company / business | Change | Likely Driver |
|---|---|---|---|---|
| 1 | 4151.T | Kyowa Kirin Biopharmaceuticals (nephrology, bone disease, rare diseases) | -5.88% | Pharma names stayed under pressure amid a lingering U.S. drug-pricing-cut overhang across the sector. |
| 2 | 2432.T | DeNA Mobile games and internet services | -4.65% | High-valuation growth internet was sold as money rotated out of the prior day's winners into AI cyclicals. |
| 3 | 4506.T | Sumitomo Pharma Prescription-drug research and manufacturing | -4.33% | Fell with broad weakness across the pharmaceutical sector. |
| 4 | 7731.T | Nikon Optics, cameras and semiconductor lithography equipment | -4.19% | Exporter/precision names pulled back during the rotation. |
| 5 | 7974.T | Nintendo Video-game consoles and software | -3.99% | Profit-taking after recent strength as funds rotated out of growth names. |
| 6 | 5831.T | Shizuoka Financial Group Regional bank holding company | -3.43% | Banks and financials weakened during the risk-on rotation into cyclicals. |
| 7 | 4385.T | Mercari Consumer-to-consumer marketplace app and fintech | -3.24% | High-valuation growth internet name sold off with the sector rotation. |
| 8 | 8308.T | Resona Holdings Banking and financial services | -3.17% | Pulled back with the broader financial/banking group. |
| 9 | 2413.T | M3 Medical-information platform for physicians | -3.17% | Hit by the combined weakness in healthcare and high-multiple growth names. |
| 10 | 9843.T | Nitori Holdings Home-furnishings and furniture retailer | -3.10% | Gave back gains after leading the prior session (up ~5.5% on Sep 8); rotation out of domestic/defensive. |
- 1. 4151.T-5.88%Kyowa KirinBiopharmaceuticals (nephrology, bone disease, rare diseases)Pharma names stayed under pressure amid a lingering U.S. drug-pricing-cut overhang across the sector.
- 2. 2432.T-4.65%DeNAMobile games and internet servicesHigh-valuation growth internet was sold as money rotated out of the prior day's winners into AI cyclicals.
- 3. 4506.T-4.33%Sumitomo PharmaPrescription-drug research and manufacturingFell with broad weakness across the pharmaceutical sector.
- 4. 7731.T-4.19%NikonOptics, cameras and semiconductor lithography equipmentExporter/precision names pulled back during the rotation.
- 5. 7974.T-3.99%NintendoVideo-game consoles and softwareProfit-taking after recent strength as funds rotated out of growth names.
- 6. 5831.T-3.43%Shizuoka Financial GroupRegional bank holding companyBanks and financials weakened during the risk-on rotation into cyclicals.
- 7. 4385.T-3.24%MercariConsumer-to-consumer marketplace app and fintechHigh-valuation growth internet name sold off with the sector rotation.
- 8. 8308.T-3.17%Resona HoldingsBanking and financial servicesPulled back with the broader financial/banking group.
- 9. 2413.T-3.17%M3Medical-information platform for physiciansHit by the combined weakness in healthcare and high-multiple growth names.
- 10. 9843.T-3.10%Nitori HoldingsHome-furnishings and furniture retailerGave back gains after leading the prior session (up ~5.5% on Sep 8); rotation out of domestic/defensive.
Common Themes
The losers were almost a perfect mirror image of the gainers. Money exited the prior day's defensive/domestic winners (Nitori), high-valuation growth internet (DeNA, Mercari, M3, Nintendo), pharma (Kyowa Kirin, Sumitomo Pharma) and banks (Shizuoka Financial, Resona). Pharma carried the added, sector-wide overhang of U.S. drug-price cuts, while the bank weakness looked more like rotation than any single stock-specific negative.
Overall read
September 9 was a near-perfect example of an intra-market rotation with almost no index-level move. With the Nikkei essentially flat (-0.19%), capital rotated in near-zero-sum fashion out of defensives, growth software, financials and pharma and into cables, copper/nonferrous metals and energy — the AI hard-infrastructure and cyclical 'real-asset' plays. The mirror-image gainers and losers lists are the clearest expression of that rotation.