Hasbro (HAS) had the highest return in April 1982 by a US stock, returning 97.2%.

ASSET	MONTH	% RETURN
Hasbro (HAS)	April 1982	97.15%
Newtek Business Services (NEWT)	April 1982	69.54%
Patrick Industries (PATK)	April 1982	61.55%
Fonar (FONR)	April 1982	44.74%
PrimeEnergy (PNRG)	April 1982	36.96%
Taylor Devices (TAYD)	April 1982	36.36%
Kinross Gold (KGC)	April 1982	30.77%
Honda Motor Co Ltd ADR (HMC)	April 1982	29.8%
Royal Gold (RGLD)	April 1982	28.95%
Carlisle Companies (CSL)	April 1982	28.13%
Aflac (AFL)	April 1982	25.96%
InterDigital (IDCC)	April 1982	25%
Universal Health Services (UHS)	April 1982	24.03%
CACI International (CACI)	April 1982	22.91%
Ducommun (DCO)	April 1982	21.95%
Service Corporation International (SCI)	April 1982	21.63%
GlaxoSmithKline PLC ADR (GSK)	April 1982	21.32%
Medtronic (MDT)	April 1982	21.31%
General Dynamics (GD)	April 1982	21.25%
NACCO Industries (NC)	April 1982	21.07%
Corning (GLW)	April 1982	20.76%
Trinity Industries (TRN)	April 1982	20.29%
Toyota Motor Corporation ADR (TM)	April 1982	20%
Watsco (WSO.B)	April 1982	19.53%
McCormick (MKC)	April 1982	18.61%