best performing mid cap stocks june 1999

Pegasystems (PEGA) had the highest return in June 1999 by a mid-cap US stock, returning 100%.

ASSET MONTH % RETURN
Pegasystems (PEGA)
June 1999
100%
Qorvo (QRVO)
June 1999
76.37%
Diodes (DIOD)
June 1999
76.31%
Mercury Systems (MRCY)
June 1999
63.03%
Advanced Energy Industries (AEIS)
June 1999
59.07%
Azenta (AZTA)
June 1999
49.31%
Power Integrations (POWI)
June 1999
48.48%
Grupo Simec SAB de CV ADR (SIM)
June 1999
46.15%
Sirius XM (SIRI)
June 1999
41.72%
PriceSmart (PSMT)
June 1999
41.41%
Quidel (QDEL)
June 1999
37.84%
Companhia Siderurgica Nacional ADR (SID)
June 1999
37.36%
Bausch Health Companies (BHC)
June 1999
35.04%
Extreme Networks (EXTR)
June 1999
34.64%
Middleby (MIDD)
June 1999
34.22%
Worthington Industries (WOR)
June 1999
32.34%
Casella Waste Systems (CWST)
June 1999
31.65%
Graphic Packaging (GPK)
June 1999
31.31%
Brady (BRC)
June 1999
30%
Seaboard (SEB)
June 1999
29.89%
Range Resources (RRC)
June 1999
29.21%
Lattice Semiconductor (LSCC)
June 1999
29.02%
Korn Ferry (KFY)
June 1999
28.3%
Vera Therapeutics (VERA)
June 1999
27.84%
Sasol (SSL)
June 1999
27.47%
Mid-cap stocks are treated as having a market cap between $2B and $10B.