Rubin 100 · Daily leaders — ALAB +9.06% / 4004.T -4.03%
September 18, 2026 close: Astera Labs leads +9.06%, Resonac trails -4.03%. 126/126 constituents covered.
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Rubin 100 constituent single-day returns for September 18, 2026.
Top 3: ALAB +9.06% · ARM +8.57% · TSEM +8.43%.
Bottom 3: 4004.T -4.03% · 3436.T -3.66% · FN -2.99%.
Coverage: 126 of 126 constituents. Ticker links open the per-stock detail view.
→ closelook.net/indices/rubin/