Coeur Mining (CDE) had the highest return in Q1 2016 by a large-cap US stock, returning 115.3%.

ASSET	QUARTER	% RETURN
Coeur Mining (CDE)	Q1 2016	115.33%
Teck Resources Ltd Class B (TECK)	Q1 2016	107.92%
AngloGold Ashanti (AU)	Q1 2016	89.09%
Kinross Gold (KGC)	Q1 2016	83.79%
Banco Bradesco S/A ADR (BBDO)	Q1 2016	68.66%
Pan American Silver (PAAS)	Q1 2016	63.19%
SPX (SPXC)	Q1 2016	62.91%
Banco Bradesco SA ADR (BBD)	Q1 2016	58.47%
Alamos Gold (AGI)	Q1 2016	57.44%
Freeport-McMoran Copper & Gold (FCX)	Q1 2016	56.67%
Allegheny Technologies (ATI)	Q1 2016	48.64%
ArcelorMittal SA ADR (MT)	Q1 2016	48.37%
Companhia de Saneamento Basico do Estado de Sao Paulo SABESP ADR (SBS)	Q1 2016	46.34%
Gold Fields Ltd ADR (GFI)	Q1 2016	44.82%
Telefonica Brasil SA ADR (VIV)	Q1 2016	44.39%
Newmont Goldcorp (NEM)	Q1 2016	44.28%
Super Micro Computer (SMCI)	Q1 2016	42.71%
Wynn Resorts (WYNN)	Q1 2016	40.28%
Royal Gold (RGLD)	Q1 2016	40.04%
Itau Unibanco Banco (ITUB)	Q1 2016	39.02%
POSCO (PKX)	Q1 2016	37.63%
Credicorp (BAP)	Q1 2016	37.24%
Fabrinet (FN)	Q1 2016	37.08%
AXIA Energia (AXIA)	Q1 2016	35.88%
Dick’s Sporting Goods (DKS)	Q1 2016	35.22%

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