Kratos Defense & Security Solutions (KTOS) had the highest return in August 2016 by a large-cap US stock, returning 57.9%.

ASSET	MONTH	% RETURN
Kratos Defense & Security Solutions (KTOS)	August 2016	57.92%
Madrigal Pharmaceuticals (MDGL)	August 2016	57.01%
Amkor Technology (AMKR)	August 2016	44.9%
Applied Digital (APLD)	August 2016	37.25%
Twilio (TWLO)	August 2016	31.97%
NetApp (NTAP)	August 2016	31.52%
Zebra Technologies (ZBRA)	August 2016	31.48%
Centrais Elétricas Brasileiras SA - Eletrobrás (EBR.B)	August 2016	29.56%
Ascendis Pharma A-S (ASND)	August 2016	28.5%
Centrais Electricas Brasileiras (EBR)	August 2016	27.58%
AXIA Energia (AXIA)	August 2016	27.58%
SPX (SPXC)	August 2016	25.26%
Block (XYZ)	August 2016	21.66%
Exelixis (EXEL)	August 2016	21.59%
XPO Logistics (XPO)	August 2016	21.07%
IDEXX Laboratories (IDXX)	August 2016	20.6%
MasTec (MTZ)	August 2016	20.6%
Ovintiv (OVV)	August 2016	20.45%
Insulet (PODD)	August 2016	19.54%
Micron Technology (MU)	August 2016	19.41%
Targa Resources (TRGP)	August 2016	18.97%
Genesis Healthcare (GEN)	August 2016	18.15%
Williams Companies (WMB)	August 2016	18.04%
Alibaba (BABA)	August 2016	17.39%
JD Inc Adr (JD)	August 2016	17.15%

Large-cap stocks are treated as having a market cap of $10B+.