Energy of Minas Gerais Co DRC (CIG.C) had the highest return in Q4 2018 by a large-cap US stock, returning 144.9%.

ASSET	QUARTER	% RETURN
Energy of Minas Gerais Co DRC (CIG.C)	Q4 2018	144.94%
Twist Bioscience (TWST)	Q4 2018	77.62%
AngloGold Ashanti (AU)	Q4 2018	45.09%
Gold Fields Ltd ADR (GFI)	Q4 2018	44.85%
Banco Bradesco SA ADR (BBD)	Q4 2018	43.22%
Banco Bradesco S/A ADR (BBDO)	Q4 2018	39.06%
Companhia de Saneamento Basico do Estado de Sao Paulo SABESP ADR (SBS)	Q4 2018	36.32%
Guardant Health (GH)	Q4 2018	35.46%
Banco Santander Brasil SA ADR (BSBR)	Q4 2018	27.37%
Globalstar, Inc Common Stock (GSAT)	Q4 2018	25.49%
Itau Unibanco Banco (ITUB)	Q4 2018	25.23%
Telefonica Brasil SA ADR (VIV)	Q4 2018	24.25%
argenx NV ADR (ARGX)	Q4 2018	23.48%
Kinross Gold (KGC)	Q4 2018	20%
Agnico Eagle Mines (AEM)	Q4 2018	18.77%
ICICI Bank (IBN)	Q4 2018	18.69%
Newmont Goldcorp (NEM)	Q4 2018	15.23%
Starbucks (SBUX)	Q4 2018	13.77%
Embraer (EMBJ)	Q4 2018	13.02%
Franco-Nevada (FNV)	Q4 2018	12.78%
Korea Electric Power Corp ADR (KEP)	Q4 2018	12.51%
Wheaton Precious Metals (WPM)	Q4 2018	12.5%
Procter & Gamble (PG)	Q4 2018	11.31%
Royal Gold (RGLD)	Q4 2018	11.27%
CME (CME)	Q4 2018	11.26%

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