U.S. President Donald Trump and Elon Musk, right speak in the Oval Office on March 14, 2025. Trump and Musk's unlikely political marriage exploded in a fiery public divorce on June 5. Photo by ROBERTO SCHMIDT/AFP via Getty Images

The spectacular falling out between U.S. President Donald Trump and the world’s richest person, Elon Musk, is reverberating across global markets this morning. The tit-for-tat feud, which has taken place via snarky social media posts and Oval Office camera interviews, sent shares of Musk’s electric vehicle maker Tesla Inc. plunging 14 per cent on Thursday, wiping US$34 billion off Musk’s net worth and rattling investors. Here, Financial Post explains what’s going on and what it means for Tesla shareholders.

Why are Trump and Musk feuding?

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