Law360, New York (April 06, 2011, 1:43 PM ET) -- On March 22, a unanimous U.S. Supreme Court held that the materiality of information misrepresented or not disclosed cannot be “reduced to a bright-line rule.” Matrixx Initiatives v. Siracusano, No. 09-1156, slip op. at 2 (2010). Given an opportunity to revise the law, the court adhered to its ruling in Basic v. Levinson, 485 U.S. 224, 231-32 (1988).
Information is considered material for disclosure purposes when there is “a substantial likelihood that the disclosure of the omitted fact would have been viewed by the reasonable investor...