Nike (NKE) had the highest return between 1986 and 1990 by a US stock, returning 18,442.5%.

ASSET	YEARS	% RETURN
Nike (NKE)	1986-1990	18,442.5%
Aegon NV ADR (AEG)	1986-1990	6,164.58%
PLDT Inc ADR (PHI)	1986-1990	1,565.06%
Bridgford Foods (BRID)	1986-1990	1,513.92%
ClearOne (CLRO)	1986-1990	1,400%
Crown Crafts (CRWS)	1986-1990	1,127.12%
Microsoft (MSFT)	1986-1990	1,080.81%
Badger Meter (BMI)	1986-1990	1,021.14%
Adobe Systems (ADBE)	1986-1990	1,005.48%
Altria (MO)	1986-1990	960%
Home Depot (HD)	1986-1990	948.24%
Amgen (AMGN)	1986-1990	830.83%
Weatherford International (WFRD)	1986-1990	761.54%
Telefonaktiebolaget LM Ericsson B ADR (ERIC)	1986-1990	729.6%
Arts-Way Manufacturing (ARTW)	1986-1990	701.8%
Natures Sunshine Products (NATR)	1986-1990	609.99%
Cracker Barrel Old Country Store (CBRL)	1986-1990	588.27%
MDU Resources (MDU)	1986-1990	541.64%
Jacobs Solutions (J)	1986-1990	537.38%
HF Sinclair (DINO)	1986-1990	522.51%
Telephone and Data Systems (TDS)	1986-1990	513.78%
Oceaneering International (OII)	1986-1990	487.49%
Autodesk (ADSK)	1986-1990	482.75%
Lumen Technologies (LUMN)	1986-1990	482.72%
RCM Technologies (RCMT)	1986-1990	467.7%