what is the most performance mid cap stock between november 15 2009 and october 15 2010

Novanta (NOVT) had the highest return between November 15, 2009 and October 15, 2010 by a mid-cap US stock, returning 236.4%.

ASSET DATE % RETURN
Novanta (NOVT)
11/15/2009 - 10/15/2010
236.36%
Cirrus Logic (CRUS)
11/15/2009 - 10/15/2010
198.52%
American Airlines (AAL)
11/15/2009 - 10/15/2010
196.63%
Globalstar, Inc Common Stock (GSAT)
11/15/2009 - 10/15/2010
151.32%
Crocs (CROX)
11/15/2009 - 10/15/2010
147.01%
Universal Display (OLED)
11/15/2009 - 10/15/2010
130.76%
B2Gold (BTG)
11/15/2009 - 10/15/2010
129.35%
MGIC Investment (MTG)
11/15/2009 - 10/15/2010
125.79%
Lattice Semiconductor (LSCC)
11/15/2009 - 10/15/2010
121.27%
Nexstar Broadcasting (NXST)
11/15/2009 - 10/15/2010
109.44%
Six Flags Entertainment (FUN)
11/15/2009 - 10/15/2010
107.31%
First Majestic Silver (AG)
11/15/2009 - 10/15/2010
107.25%
Dorman Products (DORM)
11/15/2009 - 10/15/2010
106.9%
Sirius XM (SIRI)
11/15/2009 - 10/15/2010
104.14%
Dillards (DDS)
11/15/2009 - 10/15/2010
100.66%
Camtek (CAMT)
11/15/2009 - 10/15/2010
99.56%
Amneal Pharmaceuticals, Inc Class A Common Stock (AMRX)
11/15/2009 - 10/15/2010
97.41%
Avient (AVNT)
11/15/2009 - 10/15/2010
95.13%
Green Brick Partners (GRBK)
11/15/2009 - 10/15/2010
93.9%
Fortuna Silver Mines (FSM)
11/15/2009 - 10/15/2010
90.42%
Nova (NVMI)
11/15/2009 - 10/15/2010
88.46%
Hawkins (HWKN)
11/15/2009 - 10/15/2010
87.45%
Dana (DAN)
11/15/2009 - 10/15/2010
85.48%
Northern Oil & Gas (NOG)
11/15/2009 - 10/15/2010
79.36%
OSI Systems (OSIS)
11/15/2009 - 10/15/2010
78.71%
Mid-cap stocks are treated as having a market cap between $2B and $10B.