Rubin 100 · Daily leaders — MRVL +9.85% / 5801.T -13.69%
August 20, 2026 close: Marvell Technology leads +9.85%, Furukawa Electric trails -13.69%. 124/126 constituents covered.
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Rubin 100 constituent single-day returns for August 20, 2026.
Top 3: MRVL +9.85% · NDSN +1.88% · 2382.TW +1.22%.
Bottom 3: 5801.T -13.69% · 285A.T -12.60% · AEHR -12.41%.
Coverage: 124 of 126 constituents. Ticker links open the per-stock detail view.
→ closelook.net/indices/rubin/