what is the most performance mid cap stock between march 1 2014 and march 20 2014

Celsius (CELH) had the highest return between March 1, 2014 and March 20, 2014 by a mid-cap US stock, returning 123.3%.

ASSETDATE% RETURN
Celsius (CELH)
3/1/2014 - 3/20/2014
123.31%
Iovance Biotherapeutics (IOVA)
3/1/2014 - 3/20/2014
66.36%
Agios Pharm (AGIO)
3/1/2014 - 3/20/2014
52.23%
Green Brick Partners (GRBK)
3/1/2014 - 3/20/2014
41.73%
RadNet (RDNT)
3/1/2014 - 3/20/2014
38.64%
Plug Power (PLUG)
3/1/2014 - 3/20/2014
29.78%
AeroVironment (AVAV)
3/1/2014 - 3/20/2014
25.1%
Boyd Gaming (BYD)
3/1/2014 - 3/20/2014
24.54%
Aehr Test Systems (AEHR)
3/1/2014 - 3/20/2014
22.98%
Iridium Communications (IRDM)
3/1/2014 - 3/20/2014
21.56%
Tutor Perini (TPC)
3/1/2014 - 3/20/2014
21.03%
Star Bulk Carriers (SBLK)
3/1/2014 - 3/20/2014
20.58%
Precigen (PGEN)
3/1/2014 - 3/20/2014
20.52%
United Community Banks (UCB)
3/1/2014 - 3/20/2014
19.71%
Federal Signal (FSS)
3/1/2014 - 3/20/2014
18.75%
Korn Ferry (KFY)
3/1/2014 - 3/20/2014
18.34%
Zillow (ZG)
3/1/2014 - 3/20/2014
18.31%
Genworth Financial (GNW)
3/1/2014 - 3/20/2014
16.71%
Mercury Systems (MRCY)
3/1/2014 - 3/20/2014
16.59%
Veracyte (VCYT)
3/1/2014 - 3/20/2014
16.4%
Rambus (RMBS)
3/1/2014 - 3/20/2014
16.34%
Minerals Technologies (MTX)
3/1/2014 - 3/20/2014
16.22%
Ameris Bancorp (ABCB)
3/1/2014 - 3/20/2014
15.16%
Aya Gold & Silver Inc Common Shares (AYA)
3/1/2014 - 3/20/2014
15.15%
Riot Platforms (RIOT)
3/1/2014 - 3/20/2014
14.9%
Mid-cap stocks are treated as having a market cap between $2B and $10B.