best return stocks 1990 week

Repro Med Systems (KRMD) had the best week in 1990 by a US stock the week of March 5, 1990, returning 283.8%.

ASSETWEEK% RETURN
Repro Med Systems (KRMD)
3/5/1990 - 3/11/1990
283.8%
Laboratory Corporation of America (LH)
3/26/1990 - 4/1/1990
177.19%
Inter Parfums (IPAR)
8/6/1990 - 8/12/1990
130.86%
Mesa Laboratories (MLAB)
2/26/1990 - 3/4/1990
85.7%
Flanigans Enterprises (BDL)
3/12/1990 - 3/18/1990
83.34%
Tat Techno (TATT)
5/28/1990 - 6/3/1990
81.83%
Onto Innovation (ONTO)
10/15/1990 - 10/21/1990
80%
Royal Gold (RGLD)
12/17/1990 - 12/23/1990
75.04%
Wendy’s (WEN)
8/27/1990 - 9/2/1990
71.87%
Champions Oncology (CSBR)
8/20/1990 - 8/26/1990
68.53%
Sono-Tek (SOTK)
10/15/1990 - 10/21/1990
67.46%
Gencor Industries (GENC)
1/15/1990 - 1/21/1990
65.02%
Lifeway Foods (LWAY)
6/11/1990 - 6/17/1990
64.1%
Suncor Energy (SU)
8/27/1990 - 9/2/1990
62.34%
Comtech Telecommunications (CMTL)
6/11/1990 - 6/17/1990
61.73%
WSFS Financial (WSFS)
8/6/1990 - 8/12/1990
61.1%
CEL-SCI (CVM)
3/5/1990 - 3/11/1990
58.33%
Inter Parfums (IPAR)
8/27/1990 - 9/2/1990
57.86%
CEL-SCI (CVM)
1/22/1990 - 1/28/1990
57.14%
Richardson Electronics (RELL)
12/3/1990 - 12/9/1990
53.49%
EVI Industries (EVI)
3/19/1990 - 3/25/1990
50.01%
Hallador Energy (HNRG)
1/8/1990 - 1/14/1990
50%
Pure Cycle (PCYO)
7/16/1990 - 7/22/1990
50%
Tat Techno (TATT)
10/22/1990 - 10/28/1990
50%
Pure Cycle (PCYO)
11/12/1990 - 11/18/1990
50%