Tesla's stock price plunged over 14%, erasing $153 billion in market value, following a public fallout between Elon Musk and former President Donald Trump. This marks the largest single-day drop in Tesla's history. Elon Musk, who owns approximately 12.8% of Tesla shares, saw the value of his holdings decrease by more than $19.5 billion. Despite the sharp decline, Tesla's stock price slightly rebounded to $286.99 in after-hours trading, according to Yahoo Finance.