Centrais Electricas Brasileiras (EBR) had the highest return in March 2014 by a large-cap US stock, returning 32.1%.

ASSET	MONTH	% RETURN
Centrais Electricas Brasileiras (EBR)	March 2014	32.1%
TKO (TKO)	March 2014	27.29%
ICICI Bank (IBN)	March 2014	25.86%
First Solar (FSLR)	March 2014	25.27%
HDFC Bank Limited ADR (HDB)	March 2014	23.47%
Pilgrims Pride (PPC)	March 2014	20.72%
Grupo Financiero Galicia SA ADR (GGAL)	March 2014	20.33%
YPF Sociedad Anonima (YPF)	March 2014	19.85%
Centrais Elétricas Brasileiras SA - Eletrobrás (EBR.B)	March 2014	19.59%
Petróleo Brasileiro SA - Petrobras (PBR.A)	March 2014	19.57%
Ecopetrol SA ADR (EC)	March 2014	19.2%
Banco Bradesco SA ADR (BBD)	March 2014	18.5%
Petroleo Brasileiro Petrobras SA ADR (PBR)	March 2014	18.47%
Telefonica Brasil SA ADR (VIV)	March 2014	17.76%
Clean Harbors (CLH)	March 2014	17.07%
Banco Bradesco S/A ADR (BBDO)	March 2014	16.46%
Williams-Sonoma (WSM)	March 2014	15.29%
Sony (SONY)	March 2014	15.16%
Banco Santander Brasil SA ADR (BSBR)	March 2014	14.14%
Globus Medical (GMED)	March 2014	13.92%
Ovintiv (OVV)	March 2014	13.64%
Western Midstream Partners (WES)	March 2014	13.58%
Cheniere Energy (LNG)	March 2014	13.47%
Itau Unibanco Banco (ITUB)	March 2014	13%
Celestica (CLS)	March 2014	12.77%

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