Top Wall Street analysts changed their outlook on these top names.

For a complete view of all analyst rating changes, including upgrades and downgrades, please see our analyst ratings page.

Keefe, Bruyette & Woods cut the price target for Aon PLC (NYSE:AON) from $404 to $400.

Keefe, Bruyette & Woods analyst Meyer Shields maintained an Outperform rating.

Aon shares closed at $359.82 on Tuesday.