ICICI Bank (IBN) had the highest return in March 2014 by a US stock with a market cap of $30B+, returning 25.9%.

ASSET	MONTH	% RETURN
ICICI Bank (IBN)	March 2014	25.86%
HDFC Bank Limited ADR (HDB)	March 2014	23.47%
Petróleo Brasileiro SA - Petrobras (PBR.A)	March 2014	19.57%
Banco Bradesco SA ADR (BBD)	March 2014	18.48%
Petroleo Brasileiro Petrobras SA ADR (PBR)	March 2014	18.47%
Banco Bradesco S/A ADR (BBDO)	March 2014	17.96%
Banco Santander Brasil SA ADR (BSBR)	March 2014	14.14%
Cheniere Energy (LNG)	March 2014	13.47%
Itau Unibanco Banco (ITUB)	March 2014	13%
Stellantis (STLA)	March 2014	12.44%
Take-Two Interactive Software (TTWO)	March 2014	12.17%
Taiwan Semiconductor Manufacturing (TSM)	March 2014	12.09%
Sony (SONY)	March 2014	12.06%
Bank of New York Mellon (BK)	March 2014	11.54%
Elevance Health (ELV)	March 2014	11.3%
Cenovus Energy (CVE)	March 2014	11.03%
Exelon (EXC)	March 2014	10.98%
NRG Energy (NRG)	March 2014	10.69%
Valero Energy (VLO)	March 2014	10.56%
AT&T (T)	March 2014	10.28%
Fomento Economico Mexicano (FMX)	March 2014	10.21%
ASML Holding NV ADR (ASML)	March 2014	9.82%
Corning (GLW)	March 2014	9.64%
Advanced Micro Devices (AMD)	March 2014	9.56%
United Rentals (URI)	March 2014	9.37%