LOS ANGELES, Feb. 3, 2021 /PRNewswire/ — The Schall Law Firm, a national shareholder rights litigation firm, announces the filing of a class action lawsuit against Decision Diagnostics Corp. («Decision Diagnostics» or «the Company») (OTC: DECN) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities […]