best performing mid-cap stocks dec 2015

Enphase Energy (ENPH) had the highest return in December 2015 by a mid-cap US stock, returning 110.2%.

ASSET MONTH % RETURN
Enphase Energy (ENPH)
December 2015
110.18%
Sunrun (RUN)
December 2015
75.67%
Energy Fuels (UUUU)
December 2015
55.26%
IES (IESC)
December 2015
41.92%
SolarEdge Technologies (SEDG)
December 2015
41.56%
American Superconductor (AMSC)
December 2015
33.82%
Alphatec (ATEC)
December 2015
26.62%
Galapagos NV ADR (GLPG)
December 2015
25.63%
Denison Mines (DNN)
December 2015
25%
PJT Partners (PJT)
December 2015
20.79%
Century Aluminum (CENX)
December 2015
17.55%
BlackBerry (BB)
December 2015
16.58%
Five Below (FIVE)
December 2015
15.22%
Autohome (ATHM)
December 2015
15.17%
Empire State Realty OP LP 250 (FISK)
December 2015
15.1%
Boot Barn (BOOT)
December 2015
15.07%
Caesars Entertainment (CZR)
December 2015
13.05%
CorVel (CRVL)
December 2015
12.73%
Perpetua Resources (PPTA)
December 2015
12.36%
United Parks & Resorts (PRKS)
December 2015
12.13%
Bausch Health Companies (BHC)
December 2015
11.89%
NovaGold Resources (NG)
December 2015
11.67%
Cidara Therapeutics (CDTX)
December 2015
11.21%
Ultragenyx (RARE)
December 2015
11.05%
Magnite (MGNI)
December 2015
10.85%
Mid-cap stocks are treated as having a market cap between $2B and $10B.