FirstEnergy (FE) had the highest return between 1995 and 1997 by a large-cap US stock, returning 37,667.1%.

ASSET	YEARS	% RETURN
FirstEnergy (FE)	1995-1997	37,667.14%
Jabil Circuit (JBL)	1995-1997	1,770.19%
Biogen (BIIB)	1995-1997	1,471.37%
Semtech (SMTC)	1995-1997	1,390.58%
Onto Innovation (ONTO)	1995-1997	1,210%
Viavi Solutions (VIAV)	1995-1997	1,041.4%
Heico (HEI)	1995-1997	931.55%
Ross Stores (ROST)	1995-1997	924.75%
Dycom Industries (DY)	1995-1997	762.51%
Johnson Controls International (JCI)	1995-1997	628.63%
TJX Companies (TJX)	1995-1997	598.47%
Incyte (INCY)	1995-1997	560.54%
Coherent (COHR)	1995-1997	550.86%
Cooper Companies (COO)	1995-1997	505.42%
Coca-Cola Europacific Partners (CCEP)	1995-1997	501.7%
ASML Holding NV ADR (ASML)	1995-1997	500.01%
US Bancorp (USB)	1995-1997	499.22%
Banco Bilbao Viscaya Argentaria SA ADR (BBVA)	1995-1997	458.81%
Charles Schwab (SCHW)	1995-1997	453.97%
Cadence Design Systems (CDNS)	1995-1997	437.81%
Dollar Tree (DLTR)	1995-1997	424.48%
Citigroup (C)	1995-1997	423.94%
T Rowe Price (TROW)	1995-1997	423.27%
Sanmina (SANM)	1995-1997	397.25%
AES (AES)	1995-1997	384.41%

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