best performing mid cap stocks between august 1999 and december 1999

InterDigital (IDCC) had the highest return between August 1, 1999 and December 31, 1999 by a mid-cap US stock, returning 1,328.6%.

ASSETDATE% RETURN
InterDigital (IDCC)
8/1/1999 - 12/31/1999
1,328.59%
Descartes Systems (DSGX)
8/1/1999 - 12/31/1999
384.51%
ePlus (PLUS)
8/1/1999 - 12/31/1999
353.54%
Universal Display (OLED)
8/1/1999 - 12/31/1999
300%
Viavi Solutions (VIAV)
8/1/1999 - 12/31/1999
250.68%
ViaSat (VSAT)
8/1/1999 - 12/31/1999
212.94%
SK Telecom Co Ltd ADR (SKM)
8/1/1999 - 12/31/1999
192.88%
Onto Innovation (ONTO)
8/1/1999 - 12/31/1999
168.33%
Korn Ferry (KFY)
8/1/1999 - 12/31/1999
165.76%
Grupo Simec SAB de CV ADR (SIM)
8/1/1999 - 12/31/1999
164.29%
Diodes (DIOD)
8/1/1999 - 12/31/1999
158.66%
Euronet Worldwide (EEFT)
8/1/1999 - 12/31/1999
157.45%
Mercury Systems (MRCY)
8/1/1999 - 12/31/1999
144.54%
VEON (VEON)
8/1/1999 - 12/31/1999
143.69%
Qiagen (QGEN)
8/1/1999 - 12/31/1999
112.68%
KT (KT)
8/1/1999 - 12/31/1999
108.2%
Novanta (NOVT)
8/1/1999 - 12/31/1999
105.88%
Vicor (VICR)
8/1/1999 - 12/31/1999
103.13%
BlackBerry (BB)
8/1/1999 - 12/31/1999
100.82%
TIM Participacoes (TIMB)
8/1/1999 - 12/31/1999
98.44%
Alkermes (ALKS)
8/1/1999 - 12/31/1999
88.49%
Bio-Techne (TECH)
8/1/1999 - 12/31/1999
85.08%
WPP PLC ADR (WPP)
8/1/1999 - 12/31/1999
84.52%
Array Digital Infrastructure (AD)
8/1/1999 - 12/31/1999
82.28%
United States Cellular (USM)
8/1/1999 - 12/31/1999
82.26%
Mid-cap stocks are treated as having a market cap between $2B and $10B.