ION Geophysical Corporation (NYSE: IO) shares surged 29.8% to settle at $0.5969.
Synaptogenix, Inc. (NASDAQ: SNPX) climbed 29.4% to close at $10.09. Synaptogenix highlighted publication of peer-reviewed scientific article evidencing Byrostatin-1's improved cognition over baseline in advanced Alzheimer's disease patients.
Ebang International Holdings Inc. (NASDAQ: EBON) gained 27.4% to settle at $1.16.
Biofrontera Inc. (NASDAQ: BFRI) shares gained 26.8% to close at $4.30 on Tuesday after the company provided an update on patient recruitment for the Phase III study for the treatment of sBCC with Ameluz-PDT.
Exela Technologies, Inc. (NASDAQ: XELA) surged 26.8% to close at $0.8599.
Puxin Limited (NYSE: NEW) jumped 22.5% to settle at $2.23.
OptimumBank Holdings, Inc. (NASDAQ: OPHC) gained 22.2% to close at $4.90. OptimumBank Holdings reported FY21 adjusted net income of $5.035 million.
voxeljet AG (NASDAQ: VJET) rose 21.3% to settle at $6.79.
GreenPower Motor Company Inc. (NASDAQ: GP) jumped 20.9% to close at $6.82. The company disclosed a partnership with BridgeValley Community & Technical College and the Workforce Development Board of Kanawha County.
AgileThought, Inc. (NASDAQ: AGIL) jumped 20% to close at $5.34.
Republic First Bancorp, Inc. (NASDAQ: FRBK) gained 19.7% to close at $5.14.
BioRestorative Therapies, Inc. (NASDAQ: BRTX) climbed 18.9% to close at $4.03.
Immunic, Inc. (NASDAQ: IMUX) climbed 18.4% to close at $13.96. Hearing newsletter provider Oxford Club named the stock as new buy.