Acco Brands (ACCO) had the lowest return between 1987 and 1988 by a US stock, returning -98.7%.

ASSET	YEARS	% RETURN
Acco Brands (ACCO)	1987-1988	-98.73%
STAAR Surgical (STAA)	1987-1988	-88.33%
Photronics (PLAB)	1987-1988	-85.81%
RF Industries (RFIL)	1987-1988	-85.37%
Pro-Dex (PDEX)	1987-1988	-84.21%
CEL-SCI (CVM)	1987-1988	-83.87%
PAMT (PAMT)	1987-1988	-83.33%
AlphaVest Acquisition Corp Ordinary Shares (ATMV)	1987-1988	-82.86%
CECO Environmental (CECO)	1987-1988	-82.73%
Biomerica (BMRA)	1987-1988	-80.34%
Cps Technologies (CPSH)	1987-1988	-79.38%
Fonar (FONR)	1987-1988	-75.96%
Franklin Wireless (FKWL)	1987-1988	-71.93%
EVI Industries (EVI)	1987-1988	-70%
Ducommun (DCO)	1987-1988	-68.93%
Cooper Companies (COO)	1987-1988	-68.59%
New Concept Energy (GBR)	1987-1988	-67.86%
AutoNation (AN)	1987-1988	-66.32%
Universal Security Instruments (UUU)	1987-1988	-66.25%
Atlantic American (AAME)	1987-1988	-65.32%
Constellation Brands Inc Class A (STZ)	1987-1988	-64.91%
Repro Med Systems (KRMD)	1987-1988	-64.81%
Cato (CATO)	1987-1988	-64.18%
Oppenheimer (OPY)	1987-1988	-63.79%
Marten Transport (MRTN)	1987-1988	-63.23%