what is the most performance mid cap stock between july 23 2018 and september 18 2018

Kiniksa Pharmaceuticals (KNSA) had the highest return between July 23, 2018 and September 18, 2018 by a mid-cap US stock, returning 74.1%.

ASSETDATE% RETURN
Kiniksa Pharmaceuticals (KNSA)
7/23/2018 - 9/18/2018
74.12%
Viking Therapeutics (VKTX)
7/23/2018 - 9/18/2018
71.91%
Scholar Rock (SRRK)
7/23/2018 - 9/18/2018
65.98%
AeroVironment (AVAV)
7/23/2018 - 9/18/2018
59.2%
Liquidia Technologies (LQDA)
7/23/2018 - 9/18/2018
57.19%
Match (MTCH)
7/23/2018 - 9/18/2018
56.38%
Denali Therapeutics (DNLI)
7/23/2018 - 9/18/2018
52.34%
Glaukos (GKOS)
7/23/2018 - 9/18/2018
48.18%
IAC (IAC)
7/23/2018 - 9/18/2018
45.84%
Workiva (WK)
7/23/2018 - 9/18/2018
41.34%
Paycom Software (PAYC)
7/23/2018 - 9/18/2018
41.13%
Molina Healthcare (MOH)
7/23/2018 - 9/18/2018
39.69%
CarGurus (CARG)
7/23/2018 - 9/18/2018
39.18%
Crinetics Pharmaceuticals (CRNX)
7/23/2018 - 9/18/2018
37.25%
Mercury Systems (MRCY)
7/23/2018 - 9/18/2018
37.18%
Xenon Pharmaceuticals (XENE)
7/23/2018 - 9/18/2018
36.32%
Flowserve (FLS)
7/23/2018 - 9/18/2018
33.65%
Array Digital Infrastructure (AD)
7/23/2018 - 9/18/2018
32.19%
Appfolio (APPF)
7/23/2018 - 9/18/2018
31.96%
ICL Israel Chemicals (ICL)
7/23/2018 - 9/18/2018
30.5%
Novocure (NVCR)
7/23/2018 - 9/18/2018
29.76%
SPS Commerce (SPSC)
7/23/2018 - 9/18/2018
28.74%
Wingstop (WING)
7/23/2018 - 9/18/2018
28.66%
Donaldson (DCI)
7/23/2018 - 9/18/2018
28.32%
JBTMarel (JBTM)
7/23/2018 - 9/18/2018
28.03%
Mid-cap stocks are treated as having a market cap between $2B and $10B.