Laboratory Corporation of America (LH) had the highest return between 1987 and 1990 by a US stock, returning 4,310,060%.

ASSET	YEARS	% RETURN
Laboratory Corporation of America (LH)	1987-1990	4,310,060%
Aegon NV ADR (AEG)	1987-1990	5,380.7%
Nike (NKE)	1987-1990	2,456.25%
Bridgford Foods (BRID)	1987-1990	1,091.31%
US Bancorp (USB)	1987-1990	960.88%
Oceaneering International (OII)	1987-1990	944.53%
Powell Industries (POWL)	1987-1990	750.04%
Weatherford International (WFRD)	1987-1990	748.48%
Telefonaktiebolaget LM Ericsson B ADR (ERIC)	1987-1990	713.55%
Home Depot (HD)	1987-1990	627.9%
Microsoft (MSFT)	1987-1990	524.51%
Utah Medical Products (UTMD)	1987-1990	523.7%
Barnwell Industries (BRN)	1987-1990	492.4%
Team (TISI)	1987-1990	485.79%
World Kinect (WKC)	1987-1990	485.05%
Barrick Gold (GOLD)	1987-1990	481%
Adobe Systems (ADBE)	1987-1990	479.17%
Badger Meter (BMI)	1987-1990	472.21%
US Energy (USEG)	1987-1990	470%
RCM Technologies (RCMT)	1987-1990	466.84%
Jacobs Solutions (J)	1987-1990	466.75%
Amgen (AMGN)	1987-1990	462.66%
Altria (MO)	1987-1990	438.75%
Cracker Barrel Old Country Store (CBRL)	1987-1990	409.76%
OraSure Technologies (OSUR)	1987-1990	403.23%