CMS Energy (CMS) had the lowest return in January 2003 by a US stock in the S&P 500 (GSPC), returning -40.1%.

ASSET	MONTH	% RETURN
CMS Energy (CMS)	January 2003	-40.13%
Akamai Technologies (AKAM)	January 2003	-26.11%
Stanley Black & Decker (SWK)	January 2003	-23.35%
Charles River Laboratories (CRL)	January 2003	-22.85%
Teradyne (TER)	January 2003	-21.7%
West Pharmaceutical Services (WST)	January 2003	-21.31%
MGM Resorts International (MGM)	January 2003	-20.85%
Skyworks Solutions (SWKS)	January 2003	-20.73%
Bio-Techne (TECH)	January 2003	-20.15%
Advanced Micro Devices (AMD)	January 2003	-20.12%
Booking (BKNG)	January 2003	-19.75%
Teledyne Technologies (TDY)	January 2003	-19.19%
Hologic (HOLX)	January 2003	-19.1%
Mondelez International (MDLZ)	January 2003	-18.71%
Centene (CNC)	January 2003	-17.67%
Cognizant Technology Solutions Corp Class A (CTSH)	January 2003	-17.09%
Cadence Design Systems (CDNS)	January 2003	-16.64%
General Dynamics (GD)	January 2003	-16.35%
Synopsys (SNPS)	January 2003	-16.12%
Micron Technology (MU)	January 2003	-15.8%
Charles Schwab (SCHW)	January 2003	-15.65%
Masco (MAS)	January 2003	-14.68%
Seagate Technology (STX)	January 2003	-14.6%
Williams-Sonoma (WSM)	January 2003	-14.55%
American Electric Power (AEP)	January 2003	-14.36%