Clean Harbors (CLH) had the highest return in March 2002 by a large-cap US stock, returning 124.3%.

ASSET	MONTH	% RETURN
Clean Harbors (CLH)	March 2002	124.28%
Kratos Defense & Security Solutions (KTOS)	March 2002	58.52%
Entegris (ENTG)	March 2002	56.64%
Crown (CCK)	March 2002	55.92%
Williams Companies (WMB)	March 2002	55.84%
ON Semiconductor (ON)	March 2002	44.83%
MasTec (MTZ)	March 2002	39.76%
Pegasystems (PEGA)	March 2002	37.89%
Illumina (ILMN)	March 2002	36.7%
Tyler Technologies (TYL)	March 2002	36.67%
CNH Industrial (CNH)	March 2002	31.16%
Lam Research (LRCX)	March 2002	30.77%
ASE Industrial Holding Co Ltd ADR (ASX)	March 2002	30.51%
Booking (BKNG)	March 2002	29.78%
Marvell Technology (MRVL)	March 2002	29.59%
Capital One Financial (COF)	March 2002	29.12%
CoStar (CSGP)	March 2002	28.44%
Taiwan Semiconductor Manufacturing (TSM)	March 2002	27.69%
Vertex Pharmaceuticals (VRTX)	March 2002	27.27%
Trimble (TRMB)	March 2002	27.24%
Akamai Technologies (AKAM)	March 2002	27.02%
Manhattan Associates (MANH)	March 2002	26.79%
Jabil Circuit (JBL)	March 2002	26.1%
United Microelectronics (UMC)	March 2002	26.04%
CVS Health (CVS)	March 2002	25.29%

Large-cap stocks are treated as having a market cap of $10B+.