KKR (KKR) had the lowest return in March 2007 by a US stock in the S&P 500 (GSPC), returning -22.5%.

ASSET	MONTH	% RETURN
KKR (KKR)	March 2007	-22.55%
Jabil Circuit (JBL)	March 2007	-18.93%
Intercontinental Exchange (ICE)	March 2007	-16.01%
Lennar (LEN)	March 2007	-12.97%
DR Horton (DHI)	March 2007	-12.14%
Skyworks Solutions (SWKS)	March 2007	-11.81%
Centene (CNC)	March 2007	-11.62%
Western Digital (WDC)	March 2007	-11.53%
Advanced Micro Devices (AMD)	March 2007	-11.52%
Global Payments (GPN)	March 2007	-11.16%
Seagate Technology (STX)	March 2007	-11.07%
Builders FirstSource (BLDR)	March 2007	-10.62%
Amgen (AMGN)	March 2007	-10.45%
Boston Scientific (BSX)	March 2007	-9.97%
PulteGroup (PHM)	March 2007	-9.6%
Cintas (CTAS)	March 2007	-9.21%
Masco (MAS)	March 2007	-8.05%
Vertex Pharmaceuticals (VRTX)	March 2007	-7.64%
Old Dominion Freight Line (ODFL)	March 2007	-7.07%
Autodesk (ADSK)	March 2007	-6.42%
F5 Networks (FFIV)	March 2007	-6.37%
Mohawk Industries (MHK)	March 2007	-6.25%
Expeditors International of Washington (EXPD)	March 2007	-6.22%
Tyler Technologies (TYL)	March 2007	-6.13%
CarMax (KMX)	March 2007	-5.94%