best performer sandp500 stocks in sep 1990

ONEOK (OKE) had the highest return in September 1990 by a US stock in the S&P 500 (GSPC), returning 20.2%.

ASSETMONTH% RETURN
ONEOK (OKE)
September 1990
20.19%
Devon Energy (DVN)
September 1990
17.65%
APA (APA)
September 1990
17.44%
Paychex (PAYX)
September 1990
16.96%
EOG Resources (EOG)
September 1990
13.83%
Pentair (PNR)
September 1990
13.09%
Verizon Communications (VZ)
September 1990
12.16%
Paramount Skydance Corporation Class B Common Stock (PSKY)
September 1990
11.2%
AT&T (T)
September 1990
8.27%
Genesis Healthcare (GEN)
September 1990
7.96%
Waste Management (WM)
September 1990
7.57%
Valero Energy (VLO)
September 1990
6.72%
Rollins (ROL)
September 1990
6.64%
McCormick (MKC)
September 1990
6.21%
Nordson (NDSN)
September 1990
6.09%
Hubbell (HUBB)
September 1990
6.07%
International Business Machines (IBM)
September 1990
5.32%
Mosaic (MOS)
September 1990
4.75%
Altria (MO)
September 1990
4.35%
PG&E (PCG)
September 1990
4.27%
Stanley Black & Decker (SWK)
September 1990
4.27%
Trimble (TRMB)
September 1990
3.85%
Textron (TXT)
September 1990
3.73%
Xcel Energy (XEL)
September 1990
3.67%
Microsoft (MSFT)
September 1990
3.28%