Petroleo Brasileiro Petrobras SA ADR (PBR) had the lowest return in 2014 by a US stock with a market cap of $50B+, returning -43.8%.

ASSET	YEAR	% RETURN
Petroleo Brasileiro Petrobras SA ADR (PBR)	2014	-43.76%
Petróleo Brasileiro SA - Petrobras (PBR.A)	2014	-43.3%
Freeport-McMoran Copper & Gold (FCX)	2014	-35.73%
Advanced Micro Devices (AMD)	2014	-30.65%
Sumitomo Mitsui Financial (SMFG)	2014	-27.89%
BHP (BHP)	2014	-27.24%
Equinor ASA ADR (EQNR)	2014	-22.92%
Amazon (AMZN)	2014	-22.18%
Mizuho Financial (MFG)	2014	-19.17%
T-Mobile US (TMUS)	2014	-18.44%
Banco Bilbao Viscaya Argentaria SA ADR (BBVA)	2014	-18.33%
BP PLC ADR (BP)	2014	-17.26%
Apollo Global Management LLC Class A (APO)	2014	-15.72%
SAP SE ADR (SAP)	2014	-15.42%
GlaxoSmithKline PLC ADR (GSK)	2014	-14.97%
Barclays PLC ADR (BCS)	2014	-14.89%
Rio Tinto ADR (RIO)	2014	-14.21%
Mitsubishi UFJ Financial Group Inc ADR (MUFG)	2014	-13.91%
International Business Machines (IBM)	2014	-12.22%
Lloyds Banking Group PLC ADR (LYG)	2014	-11.62%
TotalEnergies SE ADR (TTE)	2014	-11.14%
UBS (UBS)	2014	-9.65%
HSBC Holdings PLC ADR (HSBC)	2014	-9.44%
Emerson Electric (EMR)	2014	-9.17%
Diageo PLC ADR (DEO)	2014	-8.99%