Pre-market movers - August 11, 2026

Here is how US equities are shaping up pre-market on August 11, 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.

Socket Mobile Inc. (SCKT) leads pre-market gainers, climbing +451.67% to $2.13. HUBCZ at +223.33% and JWEL at +158.06% round out the early movers. The remaining 7 names in the top 10 are up an average of 87.51% heading into the open.

Sionna Therapeutics Inc. (SION) leads pre-market losers, falling +91.18% to $4.50. TENX at -89.77% and BBLGW at -54.55% round out the early movers. The remaining 7 names in the top 10 are down an average of 45.57% 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.