best performing stocks in the sandp in 8/1978

Medtronic (MDT) had the highest return in August 1978 by a US stock in the S&P 500 (GSPC), returning 23.2%.

ASSET MONTH % RETURN
Medtronic (MDT)
August 1978
23.22%
Ecolab (ECL)
August 1978
22.93%
Halliburton (HAL)
August 1978
14.83%
WW Grainger (GWW)
August 1978
14.45%
Skyworks Solutions (SWKS)
August 1978
14.27%
Walmart (WMT)
August 1978
11.3%
Clorox (CLX)
August 1978
9.99%
Boeing (BA)
August 1978
9.95%
Avery Dennison (AVY)
August 1978
8.9%
American International (AIG)
August 1978
8.74%
Bristol-Myers Squibb (BMY)
August 1978
8.43%
Pentair (PNR)
August 1978
8.28%
Molson Coors Brewing (TAP)
August 1978
7.76%
Wells Fargo (WFC)
August 1978
7.55%
Bank of New York Mellon (BK)
August 1978
7.17%
CVS Health (CVS)
August 1978
6.96%
Exxon Mobil (XOM)
August 1978
6.3%
Target (TGT)
August 1978
6.28%
Coca-Cola (KO)
August 1978
5.58%
Revvity (RVTY)
August 1978
5.29%
Bank of America (BAC)
August 1978
5.22%
McCormick (MKC)
August 1978
5.22%
Raytheon Technologies (RTX)
August 1978
5.11%
International Business Machines (IBM)
August 1978
4.9%
DTE Energy (DTE)
August 1978
4.76%