RADNOR, Pa., Sept. 27, 2024 /PRNewswire/ -- The law firm of Kessler Topaz Meltzer & Check, LLP (www.ktmc.com) is currently investigating potential violations of the federal securities laws on behalf of investors of Visa Inc. (NYSE: V) ("Visa").On September 24, 2024, during market hours, the U.S. Department of Justice ("DOJ") issued a release entitled "Justice Department Sues Visa for Monopolizing Debit Markets," announcing that the DOJ had "filed a civil antitrust lawsuit today against Visa for monopolizati ...