Trump’s Tariffs by Whim Keep Allies and Markets Off Balance

Investors sent stock prices down on Thursday amid the uncertainty over what President Trump’s inconstancy means for the global economy.

Stocks Slump as Trump Tariffs Take Effect

The S&P 500 added to recent losses in early trading. German automakers, many of which have plants in Mexico that make vehicles that are sold in the United States, were especially hard hit.

Dr. Oz: How His Millions Collide With Medicare

The TV celebrity and Trump nominee has pledged to divest from most of his financial interests. But they touch nearly every corner of health care, from insurance to blood pressure cuffs and vitamins, leading experts and lawmakers to doubt he could make impartial decisions.

Markets and Corporate America Are Unfazed by Washington Chaos, for Now

The federal budget debate has big implications for the economy. Businesses are betting that tax cuts will be extended and the math will work out.

Elon Musk Is Focused on DOGE. What About Tesla

Mr. Musk, one of President Trump’s main advisers, has not outlined a plan to reverse falling sales at the electric car company of which he is chief executive.