Sieger v. United States

noting that the prevailing approach in the courts of appeals is that recklessness satisfies the § 10(b) scienter requirement | noting that the prevailing approach in the courts of appeals is that recklessness satisfies the Sec. 10(b) scienter requirement | upholding denial of production of DEA agent’s report summarizing interview where witness never adopted the report by signing it, reading it, or having it read to her | upholding denial of production of DEA agent's report summarizing interview where witness never adopted the report by signing it, reading it, or having it read to her | applying fraud on the market theory without determining whether case is one of omission or affirmative misrepresentation | elements of a 10b-5 claim include “causa tion, often analyzed in terms of materiality and reliance” | applying 17 C.F.R. § 240.10b-5 (1985)