Wasserstrom v. Eisenberg

upholding that part of a jury instruction that liability requires an affirmative statement coupled with material omissions | stating that class decertification was inappropriate simply because reliance involved individual questions; district court could have held separate trial on reliance issues | noting that for claims based on securities laws, “[cjlass actions are a particularly appropriate and desirable means to resolve claims” | noting that for claims based on securities laws, “[cjlass actions are a particularly appropriate and desirable means to resolve claims” | finding that allegations of more than 90 class members satisfied numerosity requirement | reading part of inaccurate projection was sufficient to support a finding of reliance