what is the most performance mid cap stock between january 1 2011 and december 30 2011

Silicon Motion Technology (SIMO) had the highest return between January 1, 2011 and December 30, 2011 by a mid-cap US stock, returning 371.9%.

ASSET DATE % RETURN
Silicon Motion Technology (SIMO)
1/1/2011 - 12/30/2011
371.89%
Golar LNG (GLNG)
1/1/2011 - 12/30/2011
204.33%
Patrick Industries (PATK)
1/1/2011 - 12/30/2011
103.98%
Jazz Pharmaceuticals (JAZZ)
1/1/2011 - 12/30/2011
94.32%
PriceSmart (PSMT)
1/1/2011 - 12/30/2011
84.54%
Perimeter Solutions (PRM)
1/1/2011 - 12/30/2011
73.97%
Argan (AGX)
1/1/2011 - 12/30/2011
70.52%
Bausch Health Companies (BHC)
1/1/2011 - 12/30/2011
64.23%
Sapiens International (SPNS)
1/1/2011 - 12/30/2011
62.77%
SPS Commerce (SPSC)
1/1/2011 - 12/30/2011
62.39%
NewMarket (NEU)
1/1/2011 - 12/30/2011
61.49%
Chart Industries (GTLS)
1/1/2011 - 12/30/2011
57.68%
Primoris Services (PRIM)
1/1/2011 - 12/30/2011
56.49%
Perrigo (PRGO)
1/1/2011 - 12/30/2011
53.16%
Lithia Motors (LAD)
1/1/2011 - 12/30/2011
53.05%
RLI (RLI)
1/1/2011 - 12/30/2011
50.62%
VF (VFC)
1/1/2011 - 12/30/2011
50.16%
Kirby (KEX)
1/1/2011 - 12/30/2011
48.52%
CommVault Systems (CVLT)
1/1/2011 - 12/30/2011
48.08%
IAC (IAC)
1/1/2011 - 12/30/2011
47.33%
Six Flags Entertainment (FUN)
1/1/2011 - 12/30/2011
47.09%
Match (MTCH)
1/1/2011 - 12/30/2011
46.9%
Melco Resorts & Entertainment (MLCO)
1/1/2011 - 12/30/2011
46.65%
Acadia Healthcare (ACHC)
1/1/2011 - 12/30/2011
46.62%
MarketAxess (MKTX)
1/1/2011 - 12/30/2011
45.24%
Mid-cap stocks are treated as having a market cap between $2B and $10B.