You can see how there is turmoil typically at the beginning of a new Central Bankers term.
Bernanke, not initially as he sat on top of a giant credit bubble that was set to pop.
Greenspan had the worst initial stock market performance, but Bernanke had the worst performance with a close tie to Arthur Burns (under Nixon-Ford-Carter in the inflationary late 1970's).
There is so much to learn from history that is often mis-taught and oversimplified in history books.
Yellen ended up the 2nd shortest term as a Chairperson, 2nd to William Miller during Carter's tenure.
Conclusion: Looks like there is a wide variety of possibilities.