Quantum Computing (QUBT) had the highest return in April 2017 by a US stock, returning 250%.

ASSET	MONTH	% RETURN
Quantum Computing (QUBT)	April 2017	250%
VERB TECHNOLOGY (VERB)	April 2017	127.62%
CareCloud (CCLD)	April 2017	109.23%
Atlas Lithium Corporation Common Stock (ATLX)	April 2017	99.33%
American Resources Corp Class A (AREC)	April 2017	98.02%
Nixxy (NIXX)	April 2017	89.11%
ProMIS Neurosciences (PMN)	April 2017	75%
Portage Biotech (PRTG)	April 2017	74.86%
FingerMotion (FNGR)	April 2017	72%
Riley Exploration Permian (REPX)	April 2017	65.85%
Plug Power (PLUG)	April 2017	63.5%
Houston American Energy (HUSA)	April 2017	63.46%
American Battery Technology Company Common Stock (ABAT)	April 2017	59.41%
Kaival Brands Innovations (KAVL)	April 2017	57.54%
Floor & Decor (FND)	April 2017	54.29%
CleanSpark (CLSK)	April 2017	49.5%
Akari Therapeutics (AKTX)	April 2017	49.45%
Fubotv (FUBO)	April 2017	48.81%
Ballard Power Systems (BLDP)	April 2017	48.64%
AudioEye (AEYE)	April 2017	48.15%
Clean Energy Technologies, Inc Common Stock (CETY)	April 2017	45.65%
Nutex Health (NUTX)	April 2017	44.44%
VirnetX (VHC)	April 2017	43.48%
Akebia Ther (AKBA)	April 2017	43.11%
Lightwave Logic (LWLG)	April 2017	41.89%