Pre-market movers - May 18, 2026

Here is how US equities are shaping up pre-market on May 18, 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.

PIIIW leads pre-market gainers, climbing +1465.22% to $0.07. HCWB at +262.02% and PIII at +180.15% round out the early movers. The remaining 7 names in the top 10 are up an average of 79.75% heading into the open.

Elong Power Holding Limited (ELPW) leads pre-market losers, falling +51.03% to $0.95. WOK at -49.23% and WGSWW at -48.28% round out the early movers. The remaining 7 names in the top 10 are down an average of 42.80% 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.