Monster Beverage (MNST) had the highest return between 2003 and 2012 by a US stock in the S&P 500 (GSPC), returning 19,960.8%.

ASSET	YEARS	% RETURN
Monster Beverage (MNST)	2003-2012	19,960.82%
Expedia (EXPE)	2003-2012	10,539.74%
Apple (AAPL)	2003-2012	7,378.85%
Booking (BKNG)	2003-2012	6,282.65%
Intuitive Surgical (ISRG)	2003-2012	3,886.94%
Deckers Outdoor (DECK)	2003-2012	3,549.65%
Williams Companies (WMB)	2003-2012	3,221.81%
Axon Enterprise (AXON)	2003-2012	2,548.89%
Akamai Technologies (AKAM)	2003-2012	2,172.78%
Johnson Controls International (JCI)	2003-2012	1,908.87%
Paramount Skydance Corporation Class B Common Stock (PSKY)	2003-2012	1,744.85%
Cummins (CMI)	2003-2012	1,719.83%
F5 Networks (FFIV)	2003-2012	1,707.44%
Netflix (NFLX)	2003-2012	1,463.48%
Trimble (TRMB)	2003-2012	1,363.98%
Altria (MO)	2003-2012	1,213.33%
Amazon (AMZN)	2003-2012	1,207.3%
CF Industries (CF)	2003-2012	1,196.65%
Wynn Resorts (WYNN)	2003-2012	1,177.7%
Mastercard (MA)	2003-2012	1,142.51%
Contura Energy (CTRA)	2003-2012	1,139.2%
Cognizant Technology Solutions Corp Class A (CTSH)	2003-2012	1,119.48%
Tyler Technologies (TYL)	2003-2012	1,075.73%
Salesforce (CRM)	2003-2012	1,020.66%
Tractor Supply (TSCO)	2003-2012	850.45%