Part I of this Article describes the evolution of the perception of the modern class action from populist darling to greedy lawyer pariah, including recent passage of CAFA. Part II examines the degree to which different types of cases present different potential benefits and detriments of class action treatment and explains why investor class actions, including those brought by institutional investors, are particularly likely to benefit from class treatment, are resistant to many of the perceived problems of class actions in other contexts, and should receive a warmer welcome from courts, both in absolute terms and relative to other types of class actions. Part III discusses the continuing underutilization of the class action and the degree...