InnovAge (INNV) had the highest return in August 2009 by a US stock, returning 400%.

ASSET	MONTH	% RETURN
InnovAge (INNV)	August 2009	400%
Mercer International (MERC)	August 2009	388.29%
Nexstar Broadcasting (NXST)	August 2009	261.46%
American International (AIG)	August 2009	241.08%
Catalyst Pharmaceuticals (CPRX)	August 2009	230.95%
Comstock Holding Companies (CHCI)	August 2009	205.22%
Astrana Health (ASTH)	August 2009	200%
EDAP TMS (EDAP)	August 2009	176.92%
Wabash National (WNC)	August 2009	175.96%
Radian (RDN)	August 2009	165.88%
Altisource Portfolio Solutions (ASPS)	August 2009	156.25%
Urban One Inc Class D (UONEK)	August 2009	151.72%
Brainstorm Cell Therapeutics (BCLI)	August 2009	151.43%
Perspective Therapeutics (CATX)	August 2009	148.08%
American Axle & Manufacturing (AXL)	August 2009	147.2%
FitLife Brands, Inc Common Stock (FTLF)	August 2009	146.61%
Saga Communications (SGA)	August 2009	146.54%
INNOVATE (VATE)	August 2009	125%
Ageagle Aerial Systems (UAVS)	August 2009	121.62%
Milestone Scientific (MLSS)	August 2009	116.67%
Bassett Furniture Industries (BSET)	August 2009	107.38%
Fennec Pharmaceuticals (FENC)	August 2009	106.45%
Commercial Vehicle (CVGI)	August 2009	104.57%
Xpel (XPEL)	August 2009	104%
Entravision Communications (EVC)	August 2009	96.53%