best return by a mid-cap in may 2012

Quantum Computing  (QUBT) had the highest return in May 2012 by a mid-cap US stock, returning 263.6%.

ASSETMONTH% RETURN
Quantum Computing  (QUBT)
May 2012
263.64%
Celsius (CELH)
May 2012
40.78%
Hilltop (HTH)
May 2012
31.65%
American Airlines (AAL)
May 2012
28.6%
Primo Brands (PRMB)
May 2012
15.42%
Pilgrims Pride (PPC)
May 2012
14.83%
CSG Systems International (CSGS)
May 2012
14.82%
Powell Industries (POWL)
May 2012
13.17%
M/I Homes (MHO)
May 2012
13.02%
Vera Therapeutics (VERA)
May 2012
12.5%
Acadia Healthcare (ACHC)
May 2012
12.09%
JetBlue Airways (JBLU)
May 2012
10.81%
Corcept Therapeutics (CORT)
May 2012
9.65%
Sprott (SII)
May 2012
9.63%
Dolby Laboratories (DLB)
May 2012
9.36%
LKQ (LKQ)
May 2012
9%
DXP Enterprises (DXPE)
May 2012
8.8%
Bio-Techne (TECH)
May 2012
8.01%
Select Medical (SEM)
May 2012
7.69%
Power Integrations (POWI)
May 2012
7.38%
Armstrong World Industries (AWI)
May 2012
7.1%
Danaos (DAC)
May 2012
6.99%
Vail Resorts (MTN)
May 2012
6.65%
Axos Financial (AX)
May 2012
5.86%
ePlus (PLUS)
May 2012
5.75%
Mid-cap stocks are treated as having a market cap between $2B and $10B.