best performing mid stocks in july 1 1998 to dec 31 1999

InterDigital (IDCC) had the highest return between July 1, 1998 and December 31, 1999 by a mid-cap US stock, returning 1,295.3%.

ASSETDATE% RETURN
InterDigital (IDCC)
7/1/1998 - 12/31/1999
1,295.35%
Power Integrations (POWI)
7/1/1998 - 12/31/1999
980.26%
Viavi Solutions (VIAV)
7/1/1998 - 12/31/1999
928.29%
NeoGenomics (NEO)
7/1/1998 - 12/31/1999
650%
Mercury Systems (MRCY)
7/1/1998 - 12/31/1999
382.76%
Advanced Energy Industries (AEIS)
7/1/1998 - 12/31/1999
312.56%
Innodata (INOD)
7/1/1998 - 12/31/1999
305.31%
BlackBerry (BB)
7/1/1998 - 12/31/1999
299.99%
Array Digital Infrastructure (AD)
7/1/1998 - 12/31/1999
230.94%
Telephone and Data Systems (TDS)
7/1/1998 - 12/31/1999
219.88%
Diodes (DIOD)
7/1/1998 - 12/31/1999
212.73%
Amkor Technology (AMKR)
7/1/1998 - 12/31/1999
205.41%
Bausch Health Companies (BHC)
7/1/1998 - 12/31/1999
190.7%
Gildan Activewear (GIL)
7/1/1998 - 12/31/1999
184.25%
Vicor (VICR)
7/1/1998 - 12/31/1999
175.74%
Universal Display (OLED)
7/1/1998 - 12/31/1999
173.47%
Alkermes (ALKS)
7/1/1998 - 12/31/1999
172.92%
Descartes Systems (DSGX)
7/1/1998 - 12/31/1999
168.75%
Trex (TREX)
7/1/1998 - 12/31/1999
167.5%
ePlus (PLUS)
7/1/1998 - 12/31/1999
166.67%
TIM Participacoes (TIMB)
7/1/1998 - 12/31/1999
163.64%
ViaSat (VSAT)
7/1/1998 - 12/31/1999
160.78%
NetScout Systems (NTCT)
7/1/1998 - 12/31/1999
158.33%
Korn Ferry (KFY)
7/1/1998 - 12/31/1999
157.52%
Bel Fuse A (BELFA)
7/1/1998 - 12/31/1999
156.32%
Mid-cap stocks are treated as having a market cap between $2B and $10B.