Pre-market movers - September 3, 2026

Here is how US equities are shaping up pre-market on September 3, 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.

RCKTW leads pre-market gainers, climbing +1900.00% to $0.00. KTTAW at +174.07% and VIOT at +83.64% round out the early movers. The remaining 7 names in the top 10 are up an average of 55.30% heading into the open.

ADBT leads pre-market losers, falling +53.26% to $1.72. QUMSR at -52.75% and TCRX at -42.80% round out the early movers. The remaining 7 names in the top 10 are down an average of 36.94% 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.