what is the most performance small cap stock between january 1 2018 and june 30 2018

Turtle Beach (TBCH) had the highest return between January 1, 2018 and June 30, 2018 by a small-cap US stock, returning 1,009.2%.

ASSET DATE % RETURN
Turtle Beach (TBCH)
1/1/2018 - 6/30/2018
1,009.17%
Tandem Diabetes Care (TNDM)
1/1/2018 - 6/30/2018
837.02%
Quantum Computing  (QUBT)
1/1/2018 - 6/30/2018
375%
BlueLinx (BXC)
1/1/2018 - 6/30/2018
284.14%
Vaalco Energy (EGY)
1/1/2018 - 6/30/2018
276.55%
Xpel (XPEL)
1/1/2018 - 6/30/2018
173.57%
Evolus (EOLS)
1/1/2018 - 6/30/2018
148.8%
Sunrun (RUN)
1/1/2018 - 6/30/2018
123.64%
Verastem (VSTM)
1/1/2018 - 6/30/2018
121.94%
Regenxbio (RGNX)
1/1/2018 - 6/30/2018
113.54%
Heron Therapeuti (HRTX)
1/1/2018 - 6/30/2018
113.46%
HUYA (HUYA)
1/1/2018 - 6/30/2018
112.19%
GeoPark (GPRK)
1/1/2018 - 6/30/2018
109.75%
Semler Scientific (SMLR)
1/1/2018 - 6/30/2018
106%
Acm Research (ACMR)
1/1/2018 - 6/30/2018
105.33%
STAAR Surgical (STAA)
1/1/2018 - 6/30/2018
98.08%
SurModics (SRDX)
1/1/2018 - 6/30/2018
95.74%
Spyre Therapeutics (SYRE)
1/1/2018 - 6/30/2018
94.49%
Zymeworks Inc Common Stock (ZYME)
1/1/2018 - 6/30/2018
92.2%
Uniqure (QURE)
1/1/2018 - 6/30/2018
90.72%
BioLife Solutions (BLFS)
1/1/2018 - 6/30/2018
90.17%
American Superconductor (AMSC)
1/1/2018 - 6/30/2018
89.19%
Eyepoint Pharmaceuticals (EYPT)
1/1/2018 - 6/30/2018
89.09%
Geron (GERN)
1/1/2018 - 6/30/2018
86.41%
Canada Goose (GOOS)
1/1/2018 - 6/30/2018
85.12%
Small-cap stocks are treated as having a market cap between $300M and $2B.