what is the most performance mid cap stock between august 11 2008 and december 15 2008

Grand Canyon Education (LOPE) had the highest return between August 11, 2008 and December 15, 2008 by a mid-cap US stock, returning 39%.

ASSET DATE % RETURN
Grand Canyon Education (LOPE)
8/11/2008 - 12/15/2008
39%
Alaska Air (ALK)
8/11/2008 - 12/15/2008
28.08%
Granite Construction (GVA)
8/11/2008 - 12/15/2008
24.66%
Harmony Gold Mining (HMY)
8/11/2008 - 12/15/2008
22.83%
Royal Gold (RGLD)
8/11/2008 - 12/15/2008
21.59%
Bank Ozk (OZK)
8/11/2008 - 12/15/2008
21.34%
Scotts Miracle-Gro (SMG)
8/11/2008 - 12/15/2008
19.91%
Vericel Corp Ord (VCEL)
8/11/2008 - 12/15/2008
19.83%
Towne Bank (TOWN)
8/11/2008 - 12/15/2008
18.77%
ICF International (ICFI)
8/11/2008 - 12/15/2008
15.27%
United Bankshares (UBSI)
8/11/2008 - 12/15/2008
14.09%
Sterling Construction (STRL)
8/11/2008 - 12/15/2008
13.2%
Essential Utilities (WTRG)
8/11/2008 - 12/15/2008
12.92%
TFS Financial (TFSL)
8/11/2008 - 12/15/2008
10.62%
First Financial Bankshares (FFIN)
8/11/2008 - 12/15/2008
9.94%
United Community Banks (UCB)
8/11/2008 - 12/15/2008
9.39%
NewJersey Resources (NJR)
8/11/2008 - 12/15/2008
9.18%
Home Bancshares, Inc (Conway, AR) (HOMB)
8/11/2008 - 12/15/2008
7.76%
Trustmark (TRMK)
8/11/2008 - 12/15/2008
6.62%
Chesapeake Utilities (CPK)
8/11/2008 - 12/15/2008
6.52%
California Water Service (CWT)
8/11/2008 - 12/15/2008
6.46%
Spire (SR)
8/11/2008 - 12/15/2008
6.32%
Central Garden & Pet (CENT)
8/11/2008 - 12/15/2008
4.4%
Associated Banc (ASB)
8/11/2008 - 12/15/2008
4.06%
AeroVironment (AVAV)
8/11/2008 - 12/15/2008
3.83%
Mid-cap stocks are treated as having a market cap between $2B and $10B.