Radnor, Pennsylvania--(Newsfile Corp. - February 29, 2024) - The law firm of Kessler Topaz Meltzer & Check, LLP (www.ktmc.com) informs investors that a securities class action lawsuit has been against Assertio Holdings, Inc. ("Assertio") (NASDAQ: ASRT). The action charges Assertio with violations of the federal securities laws, including...