Dramatic climate events and crop shortages have Graber, a century-old family company, facing permanent closure.

The little-known artificial intelligence firm has emphasized research, even as it emerged as the brainchild of a hedge fund.

Manufacturers from Asia, Europe and elsewhere have poured billions into North American supply chains that could be hit by new taxes on Mexico, Canada and China.

In a meeting with Meta employees on Thursday, Mr. Zuckerberg also doubled down on recent changes to the company’s online speech policies and ending its diversity initiatives.

Meta’s chief executive has become a more visible presence in Washington since President Trump’s return to office after years ...