Weatherford International (WFRD) had the highest return in December 2019 by a US stock, returning 120,172.8%.

ASSET	MONTH	% RETURN
Weatherford International (WFRD)	December 2019	120,172.81%
Portage Biotech (PRTG)	December 2019	93,900%
Osisko Development (ODV)	December 2019	2,660%
Battalion Oil (BATL)	December 2019	572.5%
Sobr Safe (SOBR)	December 2019	463.91%
Oncolytics Biotech (ONCY)	December 2019	313.91%
FuelCell Energy (FCEL)	December 2019	269.12%
Savara (SVRA)	December 2019	244.62%
Mirum Pharmaceuticals (MIRM)	December 2019	235.43%
Cassava Sciences (SAVA)	December 2019	209.52%
Axsome Therapeutics (AXSM)	December 2019	156.41%
Aurinia Pharmaceuticals (AUPH)	December 2019	150.74%
BioXcel Therapeutics (BTAI)	December 2019	134.89%
Neurogene (NGNE)	December 2019	124.82%
TCTM Kids IT Education (VSA)	December 2019	117.78%
Immunitybio (IBRX)	December 2019	115.34%
iBio, Inc Common Stock (IBIO)	December 2019	114.66%
Citius Pharmaceuticals (CTXR)	December 2019	112.5%
Sol Gel Technologies (SLGL)	December 2019	106.88%
Quince Therapeutics (QNCX)	December 2019	106.47%
Kodiak Sciences (KOD)	December 2019	105.57%
Microbot Medical (MBOT)	December 2019	104.22%
Monopar Therapeutics (MNPR)	December 2019	98.8%
ENDRA Life Sciences (NDRA)	December 2019	95.13%
Clearside Biomedical (CLSD)	December 2019	92.05%