what is the most performance small cap stock between april 23 2014 and july 30 2014

Puma Biotechnology (PBYI) had the highest return between April 23, 2014 and July 30, 2014 by a small-cap US stock, returning 168.6%.

ASSETDATE% RETURN
Puma Biotechnology (PBYI)
4/23/2014 - 7/30/2014
168.56%
El Pollo Loco (LOCO)
4/23/2014 - 7/30/2014
81.91%
Empresa Distribuidora y Comercializadora Norte SA ADR (EDN)
4/23/2014 - 7/30/2014
78.64%
Willdan (WLDN)
4/23/2014 - 7/30/2014
68.75%
OneSpan (OSPN)
4/23/2014 - 7/30/2014
66.83%
eXp World (AGNT)
4/23/2014 - 7/30/2014
56.2%
Hallador Energy (HNRG)
4/23/2014 - 7/30/2014
54.39%
Marcus & Millichap (MMI)
4/23/2014 - 7/30/2014
47.15%
NN (NNBR)
4/23/2014 - 7/30/2014
46.47%
Cadiz (CDZI)
4/23/2014 - 7/30/2014
44.43%
Caledonia Mining (CMCL)
4/23/2014 - 7/30/2014
43.6%
NioCorp Developments Ltd Common Stock (NB)
4/23/2014 - 7/30/2014
42.48%
Avino Silver & Gold Mines (ASM)
4/23/2014 - 7/30/2014
40.91%
Lightwave Logic (LWLG)
4/23/2014 - 7/30/2014
39.9%
Greenbrier Companies (GBX)
4/23/2014 - 7/30/2014
39.39%
Sellas Life Sciences (SLS)
4/23/2014 - 7/30/2014
38.32%
American Superconductor (AMSC)
4/23/2014 - 7/30/2014
38.1%
Community Health Systems (CYH)
4/23/2014 - 7/30/2014
35.53%
MannKind (MNKD)
4/23/2014 - 7/30/2014
33.23%
IRSA Inversiones Y Representaciones (IRS)
4/23/2014 - 7/30/2014
32.96%
Dorchester Minerals (DMLP)
4/23/2014 - 7/30/2014
31.61%
REX American Resources (REX)
4/23/2014 - 7/30/2014
31.51%
Osisko Gold (OGG)
4/23/2014 - 7/30/2014
30.77%
MGP Ingredients (MGPI)
4/23/2014 - 7/30/2014
30.35%
Fennec Pharmaceuticals (FENC)
4/23/2014 - 7/30/2014
30.07%
Small-cap stocks are treated as having a market cap between $300M and $2B.