best mid cap stocks on june 1, 2026

Applied Opt (AAOI) had the highest return on June 1 by a mid-cap US stock, returning 24.4%.

ASSETDATE% RETURN
Applied Opt (AAOI)
6/1/2026
24.4%
AMC Entertainment (AMC)
6/1/2026
19.1%
Octave Intelligence (OCTV)
6/1/2026
16.19%
Appian (APPN)
6/1/2026
15.52%
AXT (AXTI)
6/1/2026
15.32%
Klaviyo (KVYO)
6/1/2026
11.81%
Vishay Intertechnology (VSH)
6/1/2026
10.87%
Infleqtion (INFQ)
6/1/2026
10.49%
Ringcentral (RNG)
6/1/2026
10.34%
Insight Enterprises (NSIT)
6/1/2026
9.82%
Amplitude (AMPL)
6/1/2026
9.75%
Intapp (INTA)
6/1/2026
9.74%
Life360, Inc Common Stock (LIF)
6/1/2026
9.68%
Uipath (PATH)
6/1/2026
9.62%
GRAIL, LLC (GRAL)
6/1/2026
9.47%
Cinemark (CNK)
6/1/2026
9.38%
Global-E Online (GLBE)
6/1/2026
9.19%
Appfolio (APPF)
6/1/2026
9%
Bitdeer Technologies Group Class A Ordinary Shares (BTDR)
6/1/2026
8.88%
Penguin Solutions (PENG)
6/1/2026
8.56%
Vertex (VERX)
6/1/2026
8.56%
Waystar Holding Corp Common Stock (WAY)
6/1/2026
8.14%
Pony AI Inc American Depositary Shares (PONY)
6/1/2026
8.12%
MP Materials (MP)
6/1/2026
7.97%
Warrior Met Coal (HCC)
6/1/2026
7.86%
Mid-cap stocks are treated as having a market cap between $2B and $10B.