best mid cap stock december 28 2017 through january 4 2018

Aya Gold & Silver Inc Common Shares (AYA) had the highest return between December 28, 2017 and January 4, 2018 by a mid-cap US stock, returning 54.8%.

ASSETDATE% RETURN
Aya Gold & Silver Inc Common Shares (AYA)
12/28/2017 - 1/4/2018
54.84%
Definium Therapeutics (DFTX)
12/28/2017 - 1/4/2018
42.14%
Northern Oil & Gas (NOG)
12/28/2017 - 1/4/2018
38.25%
OneMain (OMF)
12/28/2017 - 1/4/2018
34.74%
Applied Digital (APLD)
12/28/2017 - 1/4/2018
23.5%
Ero Copper (ERO)
12/28/2017 - 1/4/2018
21.55%
Denison Mines (DNN)
12/28/2017 - 1/4/2018
18.87%
BlackBerry (BB)
12/28/2017 - 1/4/2018
17.9%
Commercial Metals (CMC)
12/28/2017 - 1/4/2018
16.02%
Comstock Resources (CRK)
12/28/2017 - 1/4/2018
15.43%
Aehr Test Systems (AEHR)
12/28/2017 - 1/4/2018
14.96%
Viking Therapeutics (VKTX)
12/28/2017 - 1/4/2018
14.94%
Kenon (KEN)
12/28/2017 - 1/4/2018
14.53%
Star Bulk Carriers (SBLK)
12/28/2017 - 1/4/2018
14.09%
Autohome (ATHM)
12/28/2017 - 1/4/2018
13.98%
Vericel Corp Ord (VCEL)
12/28/2017 - 1/4/2018
12.87%
VNET Group Inc DRC (VNET)
12/28/2017 - 1/4/2018
12.83%
Dorman Products (DORM)
12/28/2017 - 1/4/2018
12.74%
Gerdau SA ADR (GGB)
12/28/2017 - 1/4/2018
12.5%
Crispr Therapeutics (CRSP)
12/28/2017 - 1/4/2018
12.46%
Baytex Energy (BTE)
12/28/2017 - 1/4/2018
12.33%
Century Aluminum (CENX)
12/28/2017 - 1/4/2018
12.3%
Oceaneering International (OII)
12/28/2017 - 1/4/2018
11.63%
Celcuity LLC (CELC)
12/28/2017 - 1/4/2018
11.24%
Aurinia Pharmaceuticals (AUPH)
12/28/2017 - 1/4/2018
11.23%
Mid-cap stocks are treated as having a market cap between $2B and $10B.