what is the most performance mega cap stock between 1958 and 1965

Merck (MRK) had the highest return between 1958 and 1965 by a mega-cap US stock, returning 136.5%.

ASSET YEARS % RETURN
Merck (MRK)
1958-1965
136.46%
Johnson & Johnson (JNJ)
1958-1965
78.55%
Coca-Cola (KO)
1958-1965
70.31%
GE Aerospace (GE)
1958-1965
57.35%
Chevron (CVX)
1958-1965
51.47%
International Business Machines (IBM)
1958-1965
7.82%
Procter & Gamble (PG)
1958-1965
-24.16%
Mega-cap stocks are treated as having a market cap of $200B+.