Bukowski, Rosenblatt, Chi-X

Bukowski joins QSGQuantitative Services Group (QSG), the Illinois-based quantitative investment research and analysis provider, has hired Dan Bukowski as director of research.Bukowski will be responsible for overseeing the firm's equity research, systematic stock selection models, and trading analysis product analyst teams. He will focus particularly on validation of QSG's new specialty data sets, industry-specific models, and alpha-based trading research.With more than 20 years' experience