Elon Musk and former President Donald Trump, who had a positive relationship, are now at odds over the 'One Big Beautiful Bill Act.'The bill aims for economic reforms but faces criticism for cutting social programs and removing federal tax credits for electric vehicles.The public clash between Trump and Musk led to threats of revoking government contracts for Musk's companies and Musk calling the bill an abomination.As a result of the feud, Tesla's market value dropped by $150 billion, with shares plummeting 14.3% in one trading session.