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"
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, to state a breach of contract claim, a plaintiff must allege, inter alia, "the existence of an agreement, . . . breach of contract by the defendant"
Holding that where a complaint “does not present facts indicating a clear duty to disclose” it does not establish “ strong evidence of conscious misbehavior or recklessness”
15 U.S.C. § 78u-5 Cited 1,258 times 21 Legal Analyses
Noting that under the statutory safe harbor, a defendant may avoid liability for any forward-looking statement that is false or misleading if the statement is "identified as a forward-looking statement, and is accompanied by meaningful cautionary statements identifying important factors that could cause actual results to differ materially from those in the forward-looking statement"