what is the most performance mid cap stock between july 2012 and december 2012

Sarepta Therapeutics (SRPT) had the highest return between July 1, 2012 and December 31, 2012 by a mid-cap US stock, returning 599.8%.

ASSET DATE % RETURN
Sarepta Therapeutics (SRPT)
7/1/2012 - 12/31/2012
599.76%
Vipshop (VIPS)
7/1/2012 - 12/31/2012
194.86%
ACADIA Pharmaceuticals (ACAD)
7/1/2012 - 12/31/2012
165.71%
SkyWest (SKYW)
7/1/2012 - 12/31/2012
92.44%
Mr Cooper (COOP)
7/1/2012 - 12/31/2012
86.67%
Generac (GNRC)
7/1/2012 - 12/31/2012
85.46%
Radian (RDN)
7/1/2012 - 12/31/2012
85.39%
CVR Energy (CVI)
7/1/2012 - 12/31/2012
81.98%
Louisiana-Pacific (LPX)
7/1/2012 - 12/31/2012
77.57%
Archrock (AROC)
7/1/2012 - 12/31/2012
71.92%
Whirlpool (WHR)
7/1/2012 - 12/31/2012
67.63%
Civitas Resources (CIVI)
7/1/2012 - 12/31/2012
66.61%
Ambarella (AMBA)
7/1/2012 - 12/31/2012
66.17%
KB Home (KBH)
7/1/2012 - 12/31/2012
64.25%
Mueller Water Products (MWA)
7/1/2012 - 12/31/2012
63.44%
Lithia Motors (LAD)
7/1/2012 - 12/31/2012
62.92%
Sirius XM (SIRI)
7/1/2012 - 12/31/2012
59.95%
Madrigal Pharmaceuticals (MDGL)
7/1/2012 - 12/31/2012
59.65%
Westlake Chemical (WLK)
7/1/2012 - 12/31/2012
59.46%
Terex (TEX)
7/1/2012 - 12/31/2012
57.83%
BlackBerry (BB)
7/1/2012 - 12/31/2012
57.64%
DXC Technology (DXC)
7/1/2012 - 12/31/2012
57.23%
Eagle Materials (EXP)
7/1/2012 - 12/31/2012
57.1%
IES (IESC)
7/1/2012 - 12/31/2012
56.79%
Nexstar Broadcasting (NXST)
7/1/2012 - 12/31/2012
55.97%
Mid-cap stocks are treated as having a market cap between $2B and $10B.