Holding that deception occurs when "investors are misled to believe that prices at which they purchase and sell securities are determined by the natural interplay of supply and demand, not rigged by manipulators"
564 U.S. 135 (2011) Cited 567 times 104 Legal Analyses
Holding that a mutual fund adviser may not be found liable for a mutual fund's violation of SEC Rule 10b–5, in part because of “the narrow scope that [courts] must give the implied private right of action”
430 U.S. 462 (1977) Cited 1,065 times 6 Legal Analyses
Holding that the Securities Exchange Act is limited in scope to its textual provisions and does not conflict with state law regarding corporate misconduct, particularly corporate mismanagement
Holding section 78u-4(b) does not literally require pleading of all facts, so long as facts pleaded provide adequate basis for believing statements were false
Holding that statements that the defendant "'set the standard' for 'integrity' and that it would 'continue to reposition and strengthen [its] franchises with a focus on financial discipline'" were nonactionable puffery given their generality
15 U.S.C. § 78t Cited 3,982 times 20 Legal Analyses
Holding liable any person "who, directly or indirectly, controls any person liable under any provision of this chapter or of any rule or regulation thereunder"