Teck Resources Ltd Class B (TECK) had the highest return between 2016 and 2017 by a US stock with a market cap of $20B+, returning 633.8%.

ASSET	YEARS	% RETURN
Teck Resources Ltd Class B (TECK)	2016-2017	633.84%
NVIDIA (NVDA)	2016-2017	507.4%
Centrais Electricas Brasileiras (EBR)	2016-2017	335.11%
Vale SA ADR (VALE)	2016-2017	305.42%
Advanced Micro Devices (AMD)	2016-2017	271.12%
Texas Pacific Land Trust (TPL)	2016-2017	256.81%
argenx NV ADR (ARGX)	2016-2017	252.74%
STMicroelectronics NV ADR (STM)	2016-2017	249.43%
BeiGene (ONC)	2016-2017	237.31%
Take-Two Interactive Software (TTWO)	2016-2017	222.41%
Centrais Elétricas Brasileiras SA - Eletrobrás (EBR.B)	2016-2017	204.42%
Arista Networks (ANET)	2016-2017	202.61%
Micron Technology (MU)	2016-2017	197.32%
Banco Bradesco SA ADR (BBD)	2016-2017	195.15%
Petróleo Brasileiro SA - Petrobras (PBR.A)	2016-2017	189.96%
Freeport-McMoran Copper & Gold (FCX)	2016-2017	187.27%
Banco Santander Brasil SA ADR (BSBR)	2016-2017	186.85%
Applied Materials (AMAT)	2016-2017	186.4%
MercadoLibre (MELI)	2016-2017	181.89%
Block (XYZ)	2016-2017	171.92%
ArcelorMittal SA ADR (MT)	2016-2017	165.93%
Apollo Global Management LLC Class A (APO)	2016-2017	157.82%
Marvell Technology (MRVL)	2016-2017	156.22%
Steel Dynamics (STLD)	2016-2017	154.5%
NRG Energy (NRG)	2016-2017	153.09%