Chunghwa Telecom (CHT) had the highest return in Q3 2003 by a large-cap US stock, returning 1,003.9%.

ASSET	QUARTER	% RETURN
Chunghwa Telecom (CHT)	Q3 2003	1,003.88%
Encompass Health (EHC)	Q3 2003	375.83%
TTM Technologies (TTMI)	Q3 2003	203.38%
Hudbay Minerals (HBM)	Q3 2003	141.15%
Coeur Mining (CDE)	Q3 2003	123.74%
Axon Enterprise (AXON)	Q3 2003	101.38%
Applied Digital (APLD)	Q3 2003	95.74%
Illumina (ILMN)	Q3 2003	77.74%
MasTec (MTZ)	Q3 2003	76.36%
Advanced Micro Devices (AMD)	Q3 2003	75.79%
Alamos Gold (AGI)	Q3 2003	72.5%
Onto Innovation (ONTO)	Q3 2003	71.91%
Tyler Technologies (TYL)	Q3 2003	64.65%
Deckers Outdoor (DECK)	Q3 2003	58.74%
Seagate Technology (STX)	Q3 2003	54.4%
NetEase (NTES)	Q3 2003	52.17%
Cognizant Technology Solutions Corp Class A (CTSH)	Q3 2003	50.97%
ICICI Bank (IBN)	Q3 2003	50.75%
ON Semiconductor (ON)	Q3 2003	48.15%
Sanmina (SANM)	Q3 2003	47.93%
Genesis Healthcare (GEN)	Q3 2003	45.12%
Southern Copper (SCCO)	Q3 2003	44.37%
Comfort Systems USA (FIX)	Q3 2003	44.32%
ASE Industrial Holding Co Ltd ADR (ASX)	Q3 2003	40.6%
Sociedad Quimica y Minera de Chile SA ADR B (SQM)	Q3 2003	40.32%

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