what is the most performance mid cap stock between may 15 2018 and september 13 2018

Tandem Diabetes Care (TNDM) had the highest return between May 15, 2018 and September 13, 2018 by a mid-cap US stock, returning 375.6%.

ASSET DATE % RETURN
Tandem Diabetes Care (TNDM)
5/15/2018 - 9/13/2018
375.56%
Viking Therapeutics (VKTX)
5/15/2018 - 9/13/2018
136.44%
Applied Blockchain (APLD)
5/15/2018 - 9/13/2018
129.82%
Goosehead Insurance (GSHD)
5/15/2018 - 9/13/2018
118.41%
Xenon Pharmaceuticals (XENE)
5/15/2018 - 9/13/2018
109.77%
United Parks & Resorts (PRKS)
5/15/2018 - 9/13/2018
101.81%
Arrowhead Pharmaceuticals (ARWR)
5/15/2018 - 9/13/2018
95.42%
AeroVironment (AVAV)
5/15/2018 - 9/13/2018
93.98%
Nio Inc Class A ADR (NIO)
5/15/2018 - 9/13/2018
91.74%
Glaukos (GKOS)
5/15/2018 - 9/13/2018
91.49%
Crinetics Pharmaceuticals (CRNX)
5/15/2018 - 9/13/2018
88.57%
Inspire Medical Systems (INSP)
5/15/2018 - 9/13/2018
85.59%
Scholar Rock (SRRK)
5/15/2018 - 9/13/2018
84.21%
Madrigal Pharmaceuticals (MDGL)
5/15/2018 - 9/13/2018
83.8%
Freshpet (FRPT)
5/15/2018 - 9/13/2018
81.51%
Five Below (FIVE)
5/15/2018 - 9/13/2018
81.31%
Krystal Biotech (KRYS)
5/15/2018 - 9/13/2018
78.7%
Wayfair (W)
5/15/2018 - 9/13/2018
77.44%
Liveramp (RAMP)
5/15/2018 - 9/13/2018
75.97%
Iridium Communications (IRDM)
5/15/2018 - 9/13/2018
73.82%
Etsy (ETSY)
5/15/2018 - 9/13/2018
73.41%
Magnite (MGNI)
5/15/2018 - 9/13/2018
73.11%
Signet Jewelers (SIG)
5/15/2018 - 9/13/2018
72.11%
PAR Technology (PAR)
5/15/2018 - 9/13/2018
71.86%
Veracyte (VCYT)
5/15/2018 - 9/13/2018
70.92%
Mid-cap stocks are treated as having a market cap between $2B and $10B.