VerifyMe (VRME) had the highest return in June 2011 by a US stock, returning 400%.

ASSET	MONTH	% RETURN
VerifyMe (VRME)	June 2011	400%
374Water Inc Common Stock (SCWO)	June 2011	196.12%
Milestone Scientific (MLSS)	June 2011	90.24%
Heritage Global (HGBL)	June 2011	86.96%
Coffee (JVA)	June 2011	86.07%
ImmuCell (ICCC)	June 2011	78.33%
Recon Technology (RCON)	June 2011	60.4%
Catalyst Pharmaceuticals (CPRX)	June 2011	59.32%
Heron Therapeuti (HRTX)	June 2011	54.84%
Cosmos Health (COSM)	June 2011	47.06%
Biocardia (BCDA)	June 2011	45.45%
8x8 Inc Common Stock (EGHT)	June 2011	43.82%
United States Antimony (UAMY)	June 2011	42.32%
TROOPS (TROO)	June 2011	41.33%
Arq (ARQ)	June 2011	40.88%
Carver Bancorp (CARV)	June 2011	40.33%
Cryoport (CYRX)	June 2011	40%
AMC Networks (AMCX)	June 2011	39.65%
XPO Logistics (XPO)	June 2011	38.84%
Kartoon Studios (TOON)	June 2011	38.24%
Meta Financial (CASH)	June 2011	35.82%
Capricor Therapeutics (CAPR)	June 2011	34.48%
Natures Sunshine Products (NATR)	June 2011	34.35%
Sobr Safe (SOBR)	June 2011	33.33%
NAPCO Security Technologies (NSSC)	June 2011	32%