Steel Partners (SPLP) had the lowest return in April 2012 by a US stock, returning -100%.

ASSET	MONTH	% RETURN
Steel Partners (SPLP)	April 2012	-100%
Houston American Energy (HUSA)	April 2012	-55.75%
Mitek Systems (MITK)	April 2012	-51.21%
Immutep Ltd ADR (IMMP)	April 2012	-50%
YPF Sociedad Anonima (YPF)	April 2012	-46.87%
Capricor Therapeutics (CAPR)	April 2012	-46%
Better Choice (BTTR)	April 2012	-45%
New Concept Energy (GBR)	April 2012	-42.54%
Celsius (CELH)	April 2012	-40%
Coda Octopus (CODA)	April 2012	-39.47%
Quantum Computing (QUBT)	April 2012	-38.89%
Titan Pharmaceuticals (TTNP)	April 2012	-38.14%
Clean Energy Technologies, Inc Common Stock (CETY)	April 2012	-37.5%
Stereotaxis (STXS)	April 2012	-37.05%
Halozyme Therapeutics (HALO)	April 2012	-36.42%
Castellum (CTM)	April 2012	-36.36%
Lightwave Logic (LWLG)	April 2012	-36.16%
Scienture (SCNX)	April 2012	-35.71%
CF Bankshares (CFBK)	April 2012	-35.63%
Groupon (GRPN)	April 2012	-35.13%
Mr Cooper (COOP)	April 2012	-34.44%
Sarepta Therapeutics (SRPT)	April 2012	-33.79%
Byrna Technologies (BYRN)	April 2012	-33.33%
Veradigm (MDRX)	April 2012	-33.13%
Microvision (MVIS)	April 2012	-33.09%