“We expect an acceleration toward advisory [business models], but it won’t be as rapid [as people expect],” he added. “There will always be a need for commission business, whether it’s 529 plans, annuities or buy-and-hold strategies. Just converting a legacy business [to all advisory] won’t make sense for the broker-dealer and advisor, in keeping in mind the whole [DOL] rule is predicated on the best interest of the investor.”