Monolithic Power Systems (MPWR) had the highest return in March 2005 by a US stock in the S&P 500 (GSPC), returning 40.6%.

ASSET	MONTH	% RETURN
Monolithic Power Systems (MPWR)	March 2005	40.61%
Monster Beverage (MNST)	March 2005	36.15%
Texas Pacific Land Trust (TPL)	March 2005	20.12%
Bio-Techne (TECH)	March 2005	17.25%
Global Payments (GPN)	March 2005	15.78%
Akamai Technologies (AKAM)	March 2005	15.62%
Darden Restaurants (DRI)	March 2005	13.84%
Western Digital (WDC)	March 2005	12.24%
Molson Coors Brewing (TAP)	March 2005	12.13%
Westinghouse Air Brake Technologies (WAB)	March 2005	11.66%
Booking (BKNG)	March 2005	11.65%
Universal Health Services (UHS)	March 2005	10.99%
Domino’s Pizza (DPZ)	March 2005	10.44%
Union Pacific (UNP)	March 2005	10.1%
Jabil Circuit (JBL)	March 2005	9.9%
Smith AO (AOS)	March 2005	9.65%
LKQ (LKQ)	March 2005	9.25%
Rollins (ROL)	March 2005	8.99%
Seagate Technology (STX)	March 2005	8.67%
FMC (FMC)	March 2005	8.35%
Cadence Design Systems (CDNS)	March 2005	8.25%
Adobe Systems (ADBE)	March 2005	8.25%
Celanese (CE)	March 2005	7.85%
EOG Resources (EOG)	March 2005	7.83%
Edison International (EIX)	March 2005	7.68%