Sona Nanotech, Inc. Investors: Last Days to Participate Actively in the Class Action Lawsuit; Portnoy Law Firm Investors with losses are encouraged to contact the firm before February 16, 2021; click here to submit trade information LOS ANGELES, Feb. 10, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises...

Sona Nanotech, Inc. Investors: Last Days to Participate Actively in the Class Action Lawsuit; Portnoy Law Firm Investors with losses are encouraged to contact the firm before February 16, 2021; click here to submit trade information​ LOS ANGELES, Jan. 26, 2021 (GLOBE NEWSWIRE) -- The Portnoy Law Firm...

Sona Nanotech, Inc. Investors: Company Investigated by the Portnoy Law Firm LOS ANGELES, Dec. 04, 2020 (GLOBE NEWSWIRE) -- ​The Portnoy Law Firm advises Sona Nanotech, Inc. ("Sona" or the "Company") (OTC: SNANF) investors that the firm has initiated an investigation into...