CECO Environmental (CECO) had the lowest return in January 1987 by a US stock, returning -23.6%.

ASSET	MONTH	% RETURN
CECO Environmental (CECO)	January 1987	-23.64%
Unifi (UFI)	January 1987	-23.02%
REX American Resources (REX)	January 1987	-19.35%
Natures Sunshine Products (NATR)	January 1987	-19.06%
UnitedHealth (UNH)	January 1987	-18.83%
Taylor Devices (TAYD)	January 1987	-18.18%
Jack Henry & Associates (JKHY)	January 1987	-17.86%
Onto Innovation (ONTO)	January 1987	-17.65%
Universal Security Instruments (UUU)	January 1987	-12.5%
DSS (DSS)	January 1987	-12%
InterDigital (IDCC)	January 1987	-11.93%
Superior Uniform (SGC)	January 1987	-11.31%
Leonardo DRS, Inc Common Stock (DRS)	January 1987	-11.11%
Ark Restaurants (ARKR)	January 1987	-11.11%
National HealthCare (NHC)	January 1987	-11.11%
Toyota Motor Corporation ADR (TM)	January 1987	-11.06%
RCM Technologies (RCMT)	January 1987	-10.95%
CTS (CTS)	January 1987	-10.77%
Glacier Bancorp (GBCI)	January 1987	-10.52%
Utah Medical Products (UTMD)	January 1987	-10.33%
Synalloy (ACNT)	January 1987	-10.25%
Anixa Biosciences (ANIX)	January 1987	-9.78%
Peoples Bancorp of North Carolina (PEBK)	January 1987	-9.38%
Chesapeake Utilities (CPK)	January 1987	-9.28%
Marcus (MCS)	January 1987	-8.94%