Will Abigail Johnson succeed her father? Watchers of Fidelity Investments have been trying to find clues to solve that mystery for years. This year, Johnson (left) moved closer to "yes" than "no" by gaining more responsibility at the mutual fund giant.
Johnson accrued more power amid a management upheaval. One of its casualties was Ellyn McColgan (right), who resigned as head of the company's brokerage. But McColgan wasn't free for long: Morgan Stanley has since scooped her up.