As Musk winds down at DOGE, he returns to a business empire flush with opportunities and fewer investigations—but new reputational challenges.

In January, Trump fired the inspector general of the Agriculture Department, Phyllis Fong. One of the investigations her office had been working on was a probe of Neuralink, Musk’s brain science ...

Tech billionaire Elon Musk’s regulatory problems have started to fade into the past. Since the start of the second Trump administration, federal agencies that had scrutinized Musk and his business ...