Oil-Dri Corporation Of America (ODC) had the highest return in April 1984 by a US stock, returning 34.5%.

ASSET	MONTH	% RETURN
Oil-Dri Corporation Of America (ODC)	April 1984	34.49%
Mount Logan Capital Inc Common Stock (MLCI)	April 1984	33.33%
Mesa Laboratories (MLAB)	April 1984	29.16%
Apple (AAPL)	April 1984	26.77%
Regal Beloit (RRX)	April 1984	25.01%
Oxford Industries (OXM)	April 1984	22%
Bridgford Foods (BRID)	April 1984	20.2%
Thermo Fisher Scientific (TMO)	April 1984	19.33%
BHP (BHP)	April 1984	16.7%
Eastern (EML)	April 1984	16.27%
Viatris (VTRS)	April 1984	15.98%
Dominari (DOMH)	April 1984	14.29%
Kroger (KR)	April 1984	13.43%
Carlisle Companies (CSL)	April 1984	13.17%
Home Depot (HD)	April 1984	12.99%
Ennis (EBF)	April 1984	12.25%
Colgate-Palmolive (CL)	April 1984	11.35%
KLA-Tencor (KLAC)	April 1984	10.59%
Interpublic Group of Companies (IPG)	April 1984	10.53%
Northrop Grumman (NOC)	April 1984	10.44%
Pitney Bowes (PBI)	April 1984	10.43%
Universal Health Services (UHS)	April 1984	10.42%
Exxon Mobil (XOM)	April 1984	10.36%
Lockheed Martin (LMT)	April 1984	10.3%
PVH (PVH)	April 1984	10.25%