worst performing stocks in 1980 over 1 billion market cap

Terex (TEX) had the lowest return in 1980 by a US stock with a market cap of $1B+, returning -52.6%.

ASSETYEAR% RETURN
Terex (TEX)
1980
-52.63%
Marsh & McLennan Companies (MRSH)
1980
-50.89%
Suncor Energy (SU)
1980
-31.58%
Ford Motor (F)
1980
-31.36%
Imperial Oil (IMO)
1980
-27.17%
Snap-On (SNA)
1980
-26.04%
Northwest Natural Gas (NWN)
1980
-22.4%
Aflac (AFL)
1980
-21.09%
Astronics (ATRO)
1980
-18.23%
Southwest Gas (SWX)
1980
-17.78%
Koninklijke Philips NV ADR (PHG)
1980
-17.65%
Middlesex Water (MSEX)
1980
-16.67%
Viatris (VTRS)
1980
-16.66%
NiSource (NI)
1980
-16.37%
WD-40 (WDFC)
1980
-15.44%
Avista (AVA)
1980
-14.84%
Citigroup (C)
1980
-14.74%
Badger Meter (BMI)
1980
-14.29%
PLDT Inc ADR (PHI)
1980
-13.65%
Patrick Industries (PATK)
1980
-12.52%
EnergySolutions (ES)
1980
-12.33%
W R Berkley (WRB)
1980
-12.14%
PVH (PVH)
1980
-12.12%
CMS Energy (CMS)
1980
-11.92%
Graco (GGG)
1980
-10.66%