what is the most performance mid cap stock between april 23 2014 and june 30 2014

TG Therapeutics (TGTX) had the highest return between April 23, 2014 and June 30, 2014 by a mid-cap US stock, returning 62.5%.

ASSETDATE% RETURN
TG Therapeutics (TGTX)
4/23/2014 - 6/30/2014
62.46%
MakeMyTrip (MMYT)
4/23/2014 - 6/30/2014
54.55%
Pampa Energia SA ADR (PAM)
4/23/2014 - 6/30/2014
47.37%
RH (RH)
4/23/2014 - 6/30/2014
46.93%
Sellas Life Sciences (SLS)
4/23/2014 - 6/30/2014
42.99%
Fortuna Silver Mines (FSM)
4/23/2014 - 6/30/2014
40.92%
BlackBerry (BB)
4/23/2014 - 6/30/2014
40.85%
Quantum Computing  (QUBT)
4/23/2014 - 6/30/2014
40%
St Joe (JOE)
4/23/2014 - 6/30/2014
39.88%
Element Solutions (ESI)
4/23/2014 - 6/30/2014
39.59%
OceanaGold (OGC)
4/23/2014 - 6/30/2014
38.94%
InterDigital (IDCC)
4/23/2014 - 6/30/2014
38.55%
Lithia Motors (LAD)
4/23/2014 - 6/30/2014
38.26%
BioCryst Pharmaceuticals (BCRX)
4/23/2014 - 6/30/2014
38.14%
Zillow (ZG)
4/23/2014 - 6/30/2014
37.75%
Synaptics (SYNA)
4/23/2014 - 6/30/2014
37.19%
Skeena Resources (SKE)
4/23/2014 - 6/30/2014
36.84%
RadNet (RDNT)
4/23/2014 - 6/30/2014
36.42%
Argan (AGX)
4/23/2014 - 6/30/2014
36.05%
Uranium Energy (UEC)
4/23/2014 - 6/30/2014
35.65%
Golar LNG (GLNG)
4/23/2014 - 6/30/2014
34.74%
Uniqure (QURE)
4/23/2014 - 6/30/2014
33.89%
EPAM Systems (EPAM)
4/23/2014 - 6/30/2014
33.38%
Supernus Pharmaceuticals (SUPN)
4/23/2014 - 6/30/2014
31.29%
Group 1 Automotive (GPI)
4/23/2014 - 6/30/2014
30.89%
Mid-cap stocks are treated as having a market cap between $2B and $10B.