Northern Oil & Gas (NOG) had the highest return in April 2007 by a US stock, returning 6,718,975%.

ASSET	MONTH	% RETURN
Northern Oil & Gas (NOG)	April 2007	6,718,975%
Ring Energy (REI)	April 2007	184,237.35%
Oxley Bridge Acquisition Limited Class A Ordinary Shares (OBA)	April 2007	26,423.81%
Cryoport (CYRX)	April 2007	189.47%
AI Financial (AIFC)	April 2007	146.67%
Birchtech (BCHT)	April 2007	112.5%
Xos (XOS)	April 2007	100.96%
Planet Green (PLAG)	April 2007	86.27%
ACCESS Newswire (ACCS)	April 2007	81.82%
Aura Minerals Inc Common Shares (AUGO)	April 2007	70.35%
Sanara Medtech (SMTI)	April 2007	66.67%
Amazon (AMZN)	April 2007	53.9%
Soligenix (SNGX)	April 2007	53.85%
Biomerica (BMRA)	April 2007	50.98%
Intelligent Protection Management (IPM)	April 2007	50%
Repro Med Systems (KRMD)	April 2007	50%
Electrovaya (ELVA)	April 2007	49.04%
Caledonia Mining (CMCL)	April 2007	48.7%
374Water Inc Common Stock (SCWO)	April 2007	46.67%
Coda Octopus (CODA)	April 2007	45.22%
Galaxy Digital (GLXY)	April 2007	43.28%
Genesis Energy (GEL)	April 2007	43.24%
Axogen (AXGN)	April 2007	42.87%
Biocardia (BCDA)	April 2007	42.86%
Align Technology (ALGN)	April 2007	42.7%