what is the most performance mid cap stock between february 15 2012 and august 2012

Sarepta Therapeutics (SRPT) had the highest return between February 15, 2012 and August 31, 2012 by a mid-cap US stock, returning 146.4%.

ASSET DATE % RETURN
Sarepta Therapeutics (SRPT)
2/15/2012 - 8/31/2012
146.42%
QXO (QXO)
2/15/2012 - 8/31/2012
133.33%
Patrick Industries (PATK)
2/15/2012 - 8/31/2012
125.31%
Cirrus Logic (CRUS)
2/15/2012 - 8/31/2012
97.39%
Louisiana-Pacific (LPX)
2/15/2012 - 8/31/2012
66.91%
Gap (GAP)
2/15/2012 - 8/31/2012
61.22%
Ionis Pharmaceuticals (IONS)
2/15/2012 - 8/31/2012
60.5%
Dillards (DDS)
2/15/2012 - 8/31/2012
54.69%
Celsius (CELH)
2/15/2012 - 8/31/2012
52.15%
Grifols SA ADR (GRFS)
2/15/2012 - 8/31/2012
52.15%
Skechers (SKX)
2/15/2012 - 8/31/2012
51.96%
Archrock (AROC)
2/15/2012 - 8/31/2012
51.36%
Acadia Healthcare (ACHC)
2/15/2012 - 8/31/2012
46.52%
M/I Homes (MHO)
2/15/2012 - 8/31/2012
44.03%
Marriot Vacations Worldwide (VAC)
2/15/2012 - 8/31/2012
43.14%
LivaNova (LIVN)
2/15/2012 - 8/31/2012
42.78%
Repligen (RGEN)
2/15/2012 - 8/31/2012
41.9%
Texas Capital Bancshares (TCBI)
2/15/2012 - 8/31/2012
40.48%
Axos Financial (AX)
2/15/2012 - 8/31/2012
40.1%
SPS Commerce (SPSC)
2/15/2012 - 8/31/2012
39.91%
Under Armour Inc A (UAA)
2/15/2012 - 8/31/2012
38.43%
Urban Outfitters (URBN)
2/15/2012 - 8/31/2012
38.22%
OSI Systems (OSIS)
2/15/2012 - 8/31/2012
37.83%
Addus HomeCare (ADUS)
2/15/2012 - 8/31/2012
36.8%
Grupo Simec SAB de CV ADR (SIM)
2/15/2012 - 8/31/2012
36.36%
Mid-cap stocks are treated as having a market cap between $2B and $10B.