Microsoft (MSFT) had the highest return between February 1, 1994 and January 1, 1997 by a mega-cap US stock, returning 288.8%.

ASSET	DATE	% RETURN
Microsoft (MSFT)	2/1/1994 - 1/1/1997	288.81%
Cisco Systems (CSCO)	2/1/1994 - 1/1/1997	251.03%
Oracle (ORCL)	2/1/1994 - 1/1/1997	192.43%
International Business Machines (IBM)	2/1/1994 - 1/1/1997	176.81%
Eli Lilly and (LLY)	2/1/1994 - 1/1/1997	169.74%
Coca-Cola (KO)	2/1/1994 - 1/1/1997	168.53%
JPMorgan Chase (JPM)	2/1/1994 - 1/1/1997	163.02%
LIN TV (LIN)	2/1/1994 - 1/1/1997	158.33%
AstraZeneca PLC ADR (AZN)	2/1/1994 - 1/1/1997	156.12%
Merck (MRK)	2/1/1994 - 1/1/1997	137.54%
Johnson & Johnson (JNJ)	2/1/1994 - 1/1/1997	135.55%
ASML Holding NV ADR (ASML)	2/1/1994 - 1/1/1997	121.39%
Bank of America (BAC)	2/1/1994 - 1/1/1997	114.02%
American Express (AXP)	2/1/1994 - 1/1/1997	113.13%
Berkshire Hathaway (BRK.A)	2/1/1994 - 1/1/1997	109.85%
GE Aerospace (GE)	2/1/1994 - 1/1/1997	99.1%
Procter & Gamble (PG)	2/1/1994 - 1/1/1997	91.41%
Morgan Stanley (MS)	2/1/1994 - 1/1/1997	89.46%
Abbott Laboratories (ABT)	2/1/1994 - 1/1/1997	81.75%
Wells Fargo (WFC)	2/1/1994 - 1/1/1997	80.34%
Novo Nordisk A-S (NVO)	2/1/1994 - 1/1/1997	79.31%
Shell PLC ADR (SHEL)	2/1/1994 - 1/1/1997	72.9%
Toyota Motor Corporation ADR (TM)	2/1/1994 - 1/1/1997	63.62%
Chevron (CVX)	2/1/1994 - 1/1/1997	57.28%
Exxon Mobil (XOM)	2/1/1994 - 1/1/1997	52.52%

Mega-cap stocks are treated as having a market cap of $200B+.