Axon Enterprise (AXON) had the highest return in July 2003 by a US stock in the S&P 500 (GSPC), returning 55.6%.

ASSET	MONTH	% RETURN
Axon Enterprise (AXON)	July 2003	55.56%
Old Dominion Freight Line (ODFL)	July 2003	47.94%
Booking (BKNG)	July 2003	46.55%
Cummins (CMI)	July 2003	30.51%
Deckers Outdoor (DECK)	July 2003	30%
Universal Health Services (UHS)	July 2003	29.26%
Royal Caribbean Cruises (RCL)	July 2003	27.67%
Cognizant Technology Solutions Corp Class A (CTSH)	July 2003	27.58%
Skyworks Solutions (SWKS)	July 2003	27.05%
Micron Technology (MU)	July 2003	26.43%
Gilead Sciences (GILD)	July 2003	24.46%
Lennox International (LII)	July 2003	24.13%
JB Hunt Transport Services (JBHT)	July 2003	24.12%
Applied Materials (AMAT)	July 2003	24.11%
Seagate Technology (STX)	July 2003	23.51%
Comfort Systems USA (FIX)	July 2003	23.11%
Caterpillar (CAT)	July 2003	22.45%
Dover (DOV)	July 2003	22.2%
IDEXX Laboratories (IDXX)	July 2003	21.17%
Intel (INTC)	July 2003	19.26%
Smith AO (AOS)	July 2003	19.24%
Monster Beverage (MNST)	July 2003	19.06%
Trimble (TRMB)	July 2003	17.89%
Cintas (CTAS)	July 2003	17.31%
Lam Research (LRCX)	July 2003	17.1%