what is the most performance mid cap stock between february 15 2012 and april 2012

BitMine Immersion Technologies (BMNR) had the highest return between February 15, 2012 and April 30, 2012 by a mid-cap US stock, returning 380%.

ASSET DATE % RETURN
BitMine Immersion Technologies (BMNR)
2/15/2012 - 4/30/2012
380%
Patrick Industries (PATK)
2/15/2012 - 4/30/2012
124.26%
Caesars Entertainment (CZR)
2/15/2012 - 4/30/2012
86.45%
IES (IESC)
2/15/2012 - 4/30/2012
83.4%
EPAM Systems (EPAM)
2/15/2012 - 4/30/2012
52.89%
Applied Digital (APLD)
2/15/2012 - 4/30/2012
50%
Grifols SA ADR (GRFS)
2/15/2012 - 4/30/2012
39.94%
Corcept Therapeutics (CORT)
2/15/2012 - 4/30/2012
36%
ASGN (ASGN)
2/15/2012 - 4/30/2012
35.78%
TripAdvisor (TRIP)
2/15/2012 - 4/30/2012
34.93%
Frontline (FRO)
2/15/2012 - 4/30/2012
34.77%
Dillard's (DDS)
2/15/2012 - 4/30/2012
32.92%
American Eagle Outfitters (AEO)
2/15/2012 - 4/30/2012
32.32%
Federal Agricultural Mortgage (AGM.A)
2/15/2012 - 4/30/2012
31.62%
Comstock Resources (CRK)
2/15/2012 - 4/30/2012
31.61%
Marriot Vacations Worldwide (VAC)
2/15/2012 - 4/30/2012
31.6%
Skechers (SKX)
2/15/2012 - 4/30/2012
30.93%
HCI (HCI)
2/15/2012 - 4/30/2012
30.85%
Addus HomeCare (ADUS)
2/15/2012 - 4/30/2012
29.78%
Cirrus Logic (CRUS)
2/15/2012 - 4/30/2012
29.7%
Melco Resorts & Entertainment (MLCO)
2/15/2012 - 4/30/2012
29.33%
Civitas Resources (CIVI)
2/15/2012 - 4/30/2012
29.08%
Gap (GAP)
2/15/2012 - 4/30/2012
27.67%
Chart Industries (GTLS)
2/15/2012 - 4/30/2012
26.02%
RadNet (RDNT)
2/15/2012 - 4/30/2012
25.61%
Mid-cap stocks are treated as having a market cap between $2B and $10B.