what is the most performance mid cap stock between april 25 2007 and june 30 2008

Weatherford International (WFRD) had the highest return between April 25, 2007 and June 30, 2008 by a mid-cap US stock, returning 69,108.4%.

ASSET DATE % RETURN
Weatherford International (WFRD)
4/25/2007 - 6/30/2008
69,108.39%
Northern Oil & Gas (NOG)
4/25/2007 - 6/30/2008
290.59%
Cleveland-Cliffs (CLF)
4/25/2007 - 6/30/2008
249.39%
ICL Israel Chemicals (ICL)
4/25/2007 - 6/30/2008
228.69%
Comstock Resources (CRK)
4/25/2007 - 6/30/2008
196.35%
CNX Resources (CNX)
4/25/2007 - 6/30/2008
166.97%
BlackBerry (BB)
4/25/2007 - 6/30/2008
163.03%
Chart Industries (GTLS)
4/25/2007 - 6/30/2008
150.46%
Cal-Maine Foods (CALM)
4/25/2007 - 6/30/2008
147.76%
Gerdau SA ADR (GGB)
4/25/2007 - 6/30/2008
142.31%
American Superconductor (AMSC)
4/25/2007 - 6/30/2008
140.6%
Frontline (FRO)
4/25/2007 - 6/30/2008
140.58%
Flowserve (FLS)
4/25/2007 - 6/30/2008
127.18%
Transocean (RIG)
4/25/2007 - 6/30/2008
124%
Argan (AGX)
4/25/2007 - 6/30/2008
123.22%
NOV (NOV)
4/25/2007 - 6/30/2008
120.83%
Badger Meter (BMI)
4/25/2007 - 6/30/2008
112.49%
EchoStar (SATS)
4/25/2007 - 6/30/2008
108.13%
Darling Ingredients (DAR)
4/25/2007 - 6/30/2008
103.95%
FMC (FMC)
4/25/2007 - 6/30/2008
103.49%
Compania de Minas Buenaventura SAA ADR (BVN)
4/25/2007 - 6/30/2008
96.34%
Enersys (ENS)
4/25/2007 - 6/30/2008
95.71%
Fluor (FLR)
4/25/2007 - 6/30/2008
94.63%
Adtalem Global Education (ATGE)
4/25/2007 - 6/30/2008
92.09%
SPX (SPXC)
4/25/2007 - 6/30/2008
89.2%
Mid-cap stocks are treated as having a market cap between $2B and $10B.