Complying with the Labor Department's fiduciary rule will require additional work for many financial services firms.

A key California regulator has endorsed the proposed $37 billion merger of Aetna and Humana.

Fewer U.S. adults report having had trouble covering their health care costs in the past 12 months than any time since Gallup began tracking the issue in 2008.

Almost half of millennials surveyed said they had neither a pension nor a retirement investment account.