Pre-market movers - September 23, 2026

Here is how US equities are shaping up pre-market on September 23, 2026. The names below show the widest percentage moves against yesterday's close, giving a quick read on where retail and institutional attention is concentrating before the opening bell.

Jaguar Health Inc. (JAGX) leads pre-market gainers, climbing +1190.64% to $34.46. SLND.WS at +126.73% and LHSW at +105.33% round out the early movers. The remaining 7 names in the top 10 are up an average of 61.66% heading into the open.

RIV.RT leads pre-market losers, falling +85.71% to $0.00. GPATW at -63.64% and NTRBW at -59.29% round out the early movers. The remaining 7 names in the top 10 are down an average of 47.60% heading into the open.

Pre-market action does not always carry into the regular session - gaps often fade once liquidity returns - but outsized moves here frequently trace back to overnight filings, earnings, analyst actions, or macro headlines worth checking on each ticker's wire.