🇯🇵 Japanese stock RPS historical strong stock review: 5 big case in-depth analysis
💡 Core conclusion
This article reviews 5 strong RPS bull stocks in the Japanese stock market in recent years. Data shows that when RPS120 first breaks 80 it is often an early signal of significant stock price increase. SoftBank Group ultimately achieved the increase after the RPS signal was triggered +599.8% the gain, Tokyo Electron reached +434.2%. RPS indicator shows extremely high effectiveness in the Japanese stock market dominated by institutional investors.
Case overview
| Stock | code | Maximum Period Gain | RPS120 first break 80 |
|---|---|---|---|
| SoftBank Group ソフトバンクグループ | 9984.T | +599.8% | 2024-06-17 |
| Tokyo Electron 東京エレクトロン | 8035.T | +434.2% | 2024-06-17 |
| Shin-Etsu Chemical 信越化学工業 | 4063.T | +124.3% | 2024-07-29 |
| Daikin Industries ダイキン工業 | 6367.T | +100.1% | 2026-05-04 |
| Keyence キーエンス | 6861.T | +68.0% | 2026-05-04 |
Case one: SoftBank Group (9984.T) — +599.8%
SoftBank Group is a Japanese technology investment giant founded by Masayoshi Son. Its Vision Fund holds core assets in AI such as Arm Holdings and OpenAI. Driven by the AI wave, SoftBank Group's stock price has been rising continuously from the low point of 2024.
As can be seen from the RPS curve, SoftBank's RPS120 has remained above 90 throughout the second half of 2025, which is a typical feature of a "super strong stock"—institutional investors continuously increasing holdings, retail investors chasing the rise, forming a positive feedback loop.
Case Two: Tokyo Electron (8035.T) — +434.2%
Tokyo Electron is a global leader in semiconductor manufacturing equipment suppliers, benefiting from the explosive demand for AI chips globally, with wafer manufacturing equipment orders continuously setting historical highs.
Tokyo Electron, along with TSMC and ASML, belongs to the core supply chain of semiconductor equipment. When RPS shows its strength, it often means that the entire semiconductor equipment sector is strengthening synchronously, serving as a leading indicator for sector rotation.
Case Three: Shin-Etsu Chemical (4063.T) — +124.3%
Shin-Etsu Chemical is the world's largest producer of semiconductor silicon wafers and also the global leader in PVC resins. Its silicon wafer business is highly correlated with semiconductor prosperity.
Case Four: Daikin Industries (6367.T) — +100.1%
Daikin Industries is the world's largest air conditioner manufacturer. In the context of the explosive growth in data center cooling demand, its commercial air conditioning and liquid cooling system businesses have ushered in new growth drivers.
Case Five: Keyence (6861.T) — +68.0%
Keyence is the absolute leader in global industrial sensors and machine vision, renowned for its ultra-high gross margin (approximately 80%). With the recovery in manufacturing automation demand, Keyence's orders began to improve.
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