what is the most performance mid cap stock between november 15 2009 and october 15 2012

Par Pacific (PARR) had the highest return between November 15, 2009 and October 15, 2012 by a mid-cap US stock, returning 1,583.3%.

ASSETDATE% RETURN
Par Pacific (PARR)
11/15/2009 - 10/15/2012
1,583.33%
Patrick Industries (PATK)
11/15/2009 - 10/15/2012
773.41%
Cirrus Logic (CRUS)
11/15/2009 - 10/15/2012
618.92%
Dillard's (DDS)
11/15/2009 - 10/15/2012
480.24%
Six Flags Entertainment (FUN)
11/15/2009 - 10/15/2012
477.05%
Acadia Healthcare (ACHC)
11/15/2009 - 10/15/2012
462.77%
CVR Energy (CVI)
11/15/2009 - 10/15/2012
383.15%
Nexstar Broadcasting (NXST)
11/15/2009 - 10/15/2012
366.41%
B2Gold (BTG)
11/15/2009 - 10/15/2012
358.15%
Boyd Group Services (BGSI)
11/15/2009 - 10/15/2012
334.04%
Bausch Health Companies (BHC)
11/15/2009 - 10/15/2012
331.64%
Silicon Motion Technology (SIMO)
11/15/2009 - 10/15/2012
330.99%
DXP Enterprises (DXPE)
11/15/2009 - 10/15/2012
328.09%
Lithia Motors (LAD)
11/15/2009 - 10/15/2012
328%
PriceSmart (PSMT)
11/15/2009 - 10/15/2012
321.76%
Sirius XM (SIRI)
11/15/2009 - 10/15/2012
311.77%
Chart Industries (GTLS)
11/15/2009 - 10/15/2012
299.72%
Under Armour Inc A (UAA)
11/15/2009 - 10/15/2012
297.58%
Delek US Energy (DK)
11/15/2009 - 10/15/2012
296%
Polaris Industries (PII)
11/15/2009 - 10/15/2012
295.18%
Dorman Products (DORM)
11/15/2009 - 10/15/2012
294.71%
OSI Systems (OSIS)
11/15/2009 - 10/15/2012
289.25%
Golar LNG (GLNG)
11/15/2009 - 10/15/2012
266.13%
Astronics (ATRO)
11/15/2009 - 10/15/2012
262.79%
IPG Photonics (IPGP)
11/15/2009 - 10/15/2012
261%
Mid-cap stocks are treated as having a market cap between $2B and $10B.