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Key Points
- US President Donald Trump voiced disappointment with Elon Musk’s criticism of his tax and spending bill.
- Musk called the bill “a disgusting abomination” for its projected $5.8 trillion increases to US national debt.
- Trump noted that he and Musk previously had a strong relationship but implied that may now be over.
Shares in Musk’s Tesla electric vehicle manufacturer plummeted about 15 per cent as the astonishing row escalated — wiping off more than US$100 billion ($153 billion) of the company’s value.
His comments came less than a week since Trump held a grand Oval Office farewell for Musk as he wrapped up his time leading the cost-cutting Department of Government Efficiency (DOGE).

Elon Musk received a praiseful send-off from Donald Trump last week. Source: AAP / Francis Chung / POOL / EPA
A wistful-sounding Trump took reporters through the break-up with Musk on live television on Friday, in what at times sounded more like a therapy session than a meeting with a foreign leader.
Musk then posted a poll on whether he should form a new political party — a possible threat to Republican support, even if the foreign-born tycoon himself is barred from becoming president under the US Constitution.