QVC (QVCGA) had the highest return between 2003 and 2008 by a US stock, returning 1,617,809.3%.

ASSET	YEARS	% RETURN
QVC (QVCGA)	2003-2008	1,617,809.26%
India Globalization Capital (IGC)	2003-2008	1,616,566.67%
National Grid PLC ADR (NGG)	2003-2008	1,082,643.75%
MAG Silver (MAG)	2003-2008	878,340%
Northern Oil & Gas (NOG)	2003-2008	852,476.92%
Know Labs (KNW)	2003-2008	534,224.43%
Ring Energy (REI)	2003-2008	146,566.67%
Ocean Power Technologies (OPTT)	2003-2008	74,233.33%
Perspective Therapeutics (CATX)	2003-2008	66,566.67%
Future Fintech (FTFT)	2003-2008	12,400%
NanoViricides (NNVC)	2003-2008	11,240%
Gyre Therapeutics (GYRE)	2003-2008	7,448.45%
TherapeuticsMD (TXMD)	2003-2008	7,439.95%
Champions Oncology (CSBR)	2003-2008	7,100%
Universal Insurance (UVE)	2003-2008	6,273.37%
Monster Beverage (MNST)	2003-2008	6,264.92%
Gulf Resources (GURE)	2003-2008	5,900%
Broadwind Energy (BWEN)	2003-2008	5,300.22%
VirnetX (VHC)	2003-2008	4,833.57%
Ageagle Aerial Systems (UAVS)	2003-2008	3,900%
Metalla Royalty & Streaming (MTA)	2003-2008	3,737.5%
Dawson Geophysical (DWSN)	2003-2008	3,653.62%
Oramed Pharmaceuticals (ORMP)	2003-2008	3,134.28%
BRF SA ADR (BRFS)	2003-2008	2,992.73%
Insteel Industries (IIIN)	2003-2008	2,583.96%