Datavault AI (DVLT) had the lowest return in Q2 2020 by a US stock, returning -69.3%.

ASSET	QUARTER	% RETURN
Datavault AI (DVLT)	Q2 2020	-69.29%
Lion (LGHL)	Q2 2020	-69.19%
Weatherford International (WFRD)	Q2 2020	-66.89%
Tempest Therapeutics (TPST)	Q2 2020	-66.35%
Sonnet Biotherapeutics (SONN)	Q2 2020	-64.1%
Genfit (GNFT)	Q2 2020	-62%
9F (JFU)	Q2 2020	-60.81%
Tarena International (TCTM)	Q2 2020	-59.21%
TCTM Kids IT Education (VSA)	Q2 2020	-59.21%
SG Blocks (SGBX)	Q2 2020	-58.22%
Iterum Therapeutics (ITRM)	Q2 2020	-56.09%
Globus Maritime (GLBS)	Q2 2020	-55.74%
Catheter Precision (VTAK)	Q2 2020	-55.05%
Inventrust Properties (IVT)	Q2 2020	-50.25%
BioRestorative Therapies (BRTX)	Q2 2020	-50%
Ascent Solar Technologies, Inc Common Stock (ASTI)	Q2 2020	-50%
Check-Cap (CHEK)	Q2 2020	-49.06%
Lyra Therapeutics (LYRA)	Q2 2020	-48.45%
BTC Digital (BTCT)	Q2 2020	-47.5%
Qualigen Therapeutics (QLGN)	Q2 2020	-47.07%
MetaVia (MTVA)	Q2 2020	-46.33%
Velocity Financial Llc (VEL)	Q2 2020	-43%
WiMi Hologram Cloud (WIMI)	Q2 2020	-42.5%
N2OFF (NITO)	Q2 2020	-42.5%
Teekay Tankers (TNK)	Q2 2020	-42.49%