12.1Portfolio Selection Strategy There are general principles to guide you,but the implementation will depend on your personal circumstances >The life cycle Time horizon Risk attitude Role of professional asset managers THE COURSE OF FINANCE 2017 SPRING SJTU 512.1Portfolio Selection Strategy  There are general principles to guide you, but the implementation will depend on your personal circumstances  The life cycle  Time horizon  Risk attitude  Role of professional asset managers THE COURSE OF FINANCE 2017 SPRING SJTU 5