best performing sandp stock september 1991

Vertex Pharmaceuticals (VRTX) had the highest return in September 1991 by a US stock in the S&P 500 (GSPC), returning 43.9%.

ASSETMONTH% RETURN
Vertex Pharmaceuticals (VRTX)
September 1991
43.9%
Best Buy (BBY)
September 1991
32.96%
Viatris (VTRS)
September 1991
23.06%
Paychex (PAYX)
September 1991
22.82%
Regeneron Pharmaceuticals (REGN)
September 1991
21.65%
Waste Management (WM)
September 1991
18.96%
Oracle (ORCL)
September 1991
18.82%
Carnival (CCL)
September 1991
16%
Nordson (NDSN)
September 1991
15.65%
Comcast (CMCSA)
September 1991
15.31%
Raymond James Financial (RJF)
September 1991
12.66%
IDEXX Laboratories (IDXX)
September 1991
12.6%
Lennar (LEN)
September 1991
12.04%
Pinnacle West Capital (PNW)
September 1991
11.7%
Devon Energy (DVN)
September 1991
10.59%
Southern (SO)
September 1991
9.54%
AutoZone (AZO)
September 1991
9.51%
General Dynamics (GD)
September 1991
9.12%
Union Pacific (UNP)
September 1991
8.75%
Charles Schwab (SCHW)
September 1991
8.71%
Norfolk Southern (NSC)
September 1991
8.71%
Genuine Parts (GPC)
September 1991
8.59%
Nike (NKE)
September 1991
8.55%
Cigna (CI)
September 1991
8.41%
Ameren (AEE)
September 1991
8.33%