best performing mid stocks in oct 1 2013 to dec 30 2013

Camtek (CAMT) had the highest return between October 1, 2013 and December 30, 2013 by a mid-cap US stock, returning 139.2%.

ASSETDATE% RETURN
Camtek (CAMT)
10/1/2013 - 12/30/2013
139.17%
Plug Power (PLUG)
10/1/2013 - 12/30/2013
117.33%
Perdoceo Education (PRDO)
10/1/2013 - 12/30/2013
106.96%
Sellas Life Sciences (SLS)
10/1/2013 - 12/30/2013
105.11%
AtriCure (ATRC)
10/1/2013 - 12/30/2013
69.27%
PC Connection (CNXN)
10/1/2013 - 12/30/2013
69.13%
Iovance Biotherapeutics (IOVA)
10/1/2013 - 12/30/2013
67.94%
Vicor (VICR)
10/1/2013 - 12/30/2013
64.55%
Ambarella (AMBA)
10/1/2013 - 12/30/2013
63.42%
Trex (TREX)
10/1/2013 - 12/30/2013
60.74%
Delek US Energy (DK)
10/1/2013 - 12/30/2013
59.55%
TAL Education (TAL)
10/1/2013 - 12/30/2013
51.03%
Applied Opt (AAOI)
10/1/2013 - 12/30/2013
50.55%
Wix (WIX)
10/1/2013 - 12/30/2013
50.11%
DHT (DHT)
10/1/2013 - 12/30/2013
49.64%
Ultra Clean (UCTT)
10/1/2013 - 12/30/2013
44.41%
Teekay Tankers (TNK)
10/1/2013 - 12/30/2013
43.77%
Vipshop (VIPS)
10/1/2013 - 12/30/2013
42.85%
DXP Enterprises (DXPE)
10/1/2013 - 12/30/2013
42.59%
Himax Technologies (HIMX)
10/1/2013 - 12/30/2013
40.3%
PBF Energy (PBF)
10/1/2013 - 12/30/2013
38.58%
Avis Budget (CAR)
10/1/2013 - 12/30/2013
37.57%
IPG Photonics (IPGP)
10/1/2013 - 12/30/2013
36.17%
Stagwell (STGW)
10/1/2013 - 12/30/2013
35.02%
Extreme Networks (EXTR)
10/1/2013 - 12/30/2013
34.42%
Mid-cap stocks are treated as having a market cap between $2B and $10B.