Replimune (REPL) had the highest return on April 23 by a small-cap US stock, returning 21.3%.

ASSET	DATE	% RETURN
Replimune (REPL)	4/23/2026	21.28%
Suncrete, Inc Class A Common Stock (RMIX)	4/23/2026	16.57%
Rackspace Technology (RXT)	4/23/2026	11.84%
Visteon (VC)	4/23/2026	11.63%
Penn National Gaming (PENN)	4/23/2026	11.35%
ProPetro (PUMP)	4/23/2026	11.09%
Kopin (KOPN)	4/23/2026	10.31%
TJGC (TJGC)	4/23/2026	9.56%
SolarEdge Technologies (SEDG)	4/23/2026	9.45%
Canadian Solar (CSIQ)	4/23/2026	8.75%
Gorman-Rupp (GRC)	4/23/2026	7.86%
Scholastic (SCHL)	4/23/2026	7.43%
Stewart Information Services (STC)	4/23/2026	7.08%
SharonAI Holdings, Inc Class A Common Stock (SHAZ)	4/23/2026	6.63%
Kelly Services B (KELYB)	4/23/2026	6.56%
Boost Run Inc Class A Common Stock (BRUN)	4/23/2026	6.31%
ACV Auctions (ACVA)	4/23/2026	5.92%
Faeth Therapeutics (FTH)	4/23/2026	5.87%
Amalgamated Bank (AMAL)	4/23/2026	5.54%
MMTEC (MTC)	4/23/2026	5.35%
Republic Bancorp (RBCAA)	4/23/2026	5.31%
Tat Techno (TATT)	4/23/2026	5.16%
Atlas Energy Solutions (AESI)	4/23/2026	5.12%
Phathom Pharmaceuticals (PHAT)	4/23/2026	5.01%
Akso Health Group ADR (AHG)	4/23/2026	4.95%

Small-cap stocks are treated as having a market cap between $300M and $2B.