what is the most performance mega cap stock between 1965 and 1967

Johnson & Johnson (JNJ) had the highest return between 1965 and 1967 by a mega-cap US stock, returning 146.4%.

ASSETYEARS% RETURN
Johnson & Johnson (JNJ)
1965-1967
146.4%
International Business Machines (IBM)
1965-1967
129.67%
Coca-Cola (KO)
1965-1967
88.89%
Merck (MRK)
1965-1967
70.02%
Procter & Gamble (PG)
1965-1967
13.2%
GE Aerospace (GE)
1965-1967
3.51%
Chevron (CVX)
1965-1967
-14.48%
Exxon Mobil (XOM)
1965-1967
-24.8%
Mega-cap stocks are treated as having a market cap of $200B+.