Tokyo Open

Top three Nikkei names hold through regime change as 8/3 rebalance nears

2026-07-17 · 3 min

Japan’s morning open is centered on the Nikkei 225’s top three names still holding the same order out of 225 after a regime transition, with Taiyo Yuden, Mitsui Mining & Smelting, and Furukawa Electric leading on 7/17. The surprise is not that they are still there, but that their long-run strength is being tested by sharp one-month drawdowns while the 8/3 rebalance is only 17 sessions away. Will that persistence survive long enough to keep the current ranking intact?

Key Points

  • Taiyo Yuden, Mitsui Mining & Smelting, and Furukawa Electric remain the top-ranked names out of 225 in the Nikkei 225 model set.
  • The regime has just transitioned, but Japan has no high-impact macro release today to force a clean reset.
  • The next dated catalyst is the 8/3 rebalance, leaving 17 sessions for the current ranking order to prove it still fits.

Public Brief

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Tokyo opens with the same three names still on top

On 7/17, the Nikkei 225 opened with Taiyo Yuden (6976.T) still ranked first out of 225 names, while Mitsui Mining & Smelting (5706.T) held second and Furukawa Electric (5801.T) stayed third. Japan is not facing a fresh macro shock this morning, so the open is less about a clean reset than about whether the new regime can keep the same leaders in place.

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Research Context

AIBROKER news is written from daily ranking data, regime context, and public market inputs. Rankings are model outputs for research and education, not investment advice.

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Sources

  • AIBROKER strategy cache
  • AIBROKER regime and morning brief cache
  • AIBROKER economic calendar cache
  • AIBROKER macro snapshot

AIBROKER is the official source for these daily market ranking briefs. Not investment advice. For informational and educational purposes only.