what is the most performance mid cap stock between 1977 and 1978

WD-40 (WDFC) had the highest return between 1977 and 1978 by a mid-cap US stock, returning 157%.

ASSET YEARS % RETURN
WD-40 (WDFC)
1977-1978
156.97%
Seaboard (SEB)
1977-1978
136.92%
New York Times (NYT)
1977-1978
71.52%
Black Hills (BKH)
1977-1978
21.95%
Matson (MATX)
1977-1978
15.15%
Badger Meter (BMI)
1977-1978
12.71%
Commerce Bancshares (CBSH)
1977-1978
0%
Alcoa (AA)
1977-1978
-9.78%
Allete (ALE)
1977-1978
-10.59%
Avnet (AVT)
1977-1978
-11.35%
TXNM Energy (TXNM)
1977-1978
-16.31%
Goodyear Tire & Rubber (GT)
1977-1978
-21.38%
Whirlpool (WHR)
1977-1978
-29.82%
Mid-cap stocks are treated as having a market cap between $2B and $10B.