What began as a ‘big, beautiful’ bromance between Donald Trump and Elon Musk has spectacularly soured into a no-holds-barred public feud. Now, a Trump ally has demanded an investigation into Musk’s im

Shares of technology companies ticked down as a feud with his former political ally President Donald Trump weighed on Elon Musk's Tesla. Long-simmering tensions between Trump and Musk burst into the open on Thursday,