Rubin 100 · Daily leaders — ALAB +13.30% / LPK.DE -10.55%
May 20, 2026 close: Astera Labs leads +13.30%, LPKF Laser & Electronics trails -10.55%. 102/102 constituents covered.
Rubin 100 constituent single-day returns for May 20, 2026.
Top 3: ALAB +13.30% · CRDO +8.14% · 5201.T +4.52%.
Bottom 3: LPK.DE -10.55% · 042700.KS -9.15% · 5801.T -8.37%.
Coverage: 102 of 102 constituents. Ticker links open the per-stock detail view.
→ closelook.net/indices/rubin/