best mid cap stock 2017 quarter

Riot Blockchain (RIOT) had the best quarter in 2017 by a mid-cap US stock in Q4 2017, returning 490.8%.

ASSETQUARTER% RETURN
Riot Blockchain (RIOT)
Q4 2017
490.84%
Quantum Computing  (QUBT)
Q3 2017
200%
Arrowhead Pharmaceuticals (ARWR)
Q3 2017
164.02%
TG Therapeutics (TGTX)
Q1 2017
142.71%
Applied Opt (AAOI)
Q1 2017
136.82%
Star Bulk Carriers (SBLK)
Q1 2017
126.71%
Viridian Therapeutics (VRDN)
Q1 2017
126.28%
Northern Oil & Gas (NOG)
Q4 2017
125.27%
Immunitybio (IBRX)
Q2 2017
120%
Viking Therapeutics (VKTX)
Q4 2017
101.99%
Skyline (SKY)
Q3 2017
101.5%
Quantum Computing  (QUBT)
Q1 2017
100%
GDS (GDS)
Q4 2017
98.15%
Catalyst Pharmaceuticals (CPRX)
Q1 2017
87.5%
Skeena Resources (SKE)
Q3 2017
87.1%
Floor & Decor (FND)
Q2 2017
86.95%
PTC Therapeutics (PTCT)
Q2 2017
86.85%
Boot Barn (BOOT)
Q4 2017
85.38%
Chemours (CC)
Q1 2017
78.48%
Viking Therapeutics (VKTX)
Q3 2017
76.85%
Enphase Energy (ENPH)
Q3 2017
74.71%
Warrior Met Coal (HCC)
Q4 2017
70.95%
Spyre Therapeutics (SYRE)
Q1 2017
70.87%
National Beverage (FIZZ)
Q1 2017
65.45%
TAL Education (TAL)
Q3 2017
64.57%
Mid-cap stocks are treated as having a market cap between $2B and $10B.