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

Aris Mining (ARMN) had the highest return between October 15, 2009 and October 15, 2012 by a mid-cap US stock, returning 36,106.5%.

ASSETDATE% RETURN
Aris Mining (ARMN)
10/15/2009 - 10/15/2012
36,106.51%
Par Pacific (PARR)
10/15/2009 - 10/15/2012
1,583.33%
First Majestic Silver (AG)
10/15/2009 - 10/15/2012
635.73%
Cirrus Logic (CRUS)
10/15/2009 - 10/15/2012
582.22%
Patrick Industries (PATK)
10/15/2009 - 10/15/2012
458.04%
B2Gold (BTG)
10/15/2009 - 10/15/2012
432.4%
Dillard's (DDS)
10/15/2009 - 10/15/2012
414.14%
Sirius XM (SIRI)
10/15/2009 - 10/15/2012
391.24%
OSI Systems (OSIS)
10/15/2009 - 10/15/2012
339.65%
PriceSmart (PSMT)
10/15/2009 - 10/15/2012
334.98%
Dorman Products (DORM)
10/15/2009 - 10/15/2012
329.33%
Bausch Health Companies (BHC)
10/15/2009 - 10/15/2012
305.1%
Polaris Industries (PII)
10/15/2009 - 10/15/2012
300.99%
Nexstar Broadcasting (NXST)
10/15/2009 - 10/15/2012
294.87%
Golar LNG (GLNG)
10/15/2009 - 10/15/2012
264.49%
IPG Photonics (IPGP)
10/15/2009 - 10/15/2012
263.37%
Axos Financial (AX)
10/15/2009 - 10/15/2012
246.63%
HCI (HCI)
10/15/2009 - 10/15/2012
240.87%
Bath & Body Works (BBWI)
10/15/2009 - 10/15/2012
238.41%
Delek US Energy (DK)
10/15/2009 - 10/15/2012
237.73%
Silicon Motion Technology (SIMO)
10/15/2009 - 10/15/2012
235.32%
Novanta (NOVT)
10/15/2009 - 10/15/2012
229.63%
LivaNova (LIVN)
10/15/2009 - 10/15/2012
226.3%
Travel + Leisure (TNL)
10/15/2009 - 10/15/2012
215.69%
HF Sinclair (DINO)
10/15/2009 - 10/15/2012
212.08%
Mid-cap stocks are treated as having a market cap between $2B and $10B.