Tyler Technologies (TYL) had the highest return in September 2002 by a US stock in the S&P 500 (GSPC), returning 18.9%.

ASSET	MONTH	% RETURN
Tyler Technologies (TYL)	September 2002	18.92%
Genesis Healthcare (GEN)	September 2002	18.88%
Western Digital (WDC)	September 2002	16.05%
Old Dominion Freight Line (ODFL)	September 2002	15.8%
Cooper Companies, Inc Common Stock (COO)	September 2002	15.64%
Bio-Techne (TECH)	September 2002	15.54%
Boston Scientific (BSX)	September 2002	14.64%
Take-Two Interactive Software (TTWO)	September 2002	14.49%
Bunge (BG)	September 2002	14.42%
Laboratory Corporation of America (LH)	September 2002	12.6%
Universal Health Services (UHS)	September 2002	12.49%
Quest Diagnostics (DGX)	September 2002	11.37%
Intuitive Surgical (ISRG)	September 2002	10.96%
Skyworks Solutions (SWKS)	September 2002	10.49%
STERIS (STE)	September 2002	9.74%
Westinghouse Air Brake Technologies (WAB)	September 2002	9.49%
AutoZone (AZO)	September 2002	9.3%
Steel Dynamics (STLD)	September 2002	9.09%
APA (APA)	September 2002	9.06%
Amazon (AMZN)	September 2002	8.29%
Best Buy (BBY)	September 2002	8.04%
FactSet Research Systems (FDS)	September 2002	7.27%
MGM Resorts International (MGM)	September 2002	6.97%
Baker Hughes (BKR)	September 2002	6.92%
Gilead Sciences (GILD)	September 2002	6.85%