Option traders piled into bearish bets on Tesla Inc. stock on Thursday at the fastest pace on record as a feud between President Trump and Tesla CEO Elon Musk escalated, causing the electric-vehicle maker to tally its biggest drop in market capitalization on record.

Investors are pumping the brakes on betting against Tesla, after a mad dash for such wagers Thursday during Elon Musk's spat with President Trump. An options measure called "skew" for Tesla options tumbled Friday,

The electric vehicle maker lost $152 billion in market cap Thursday as traders reacted to a public feud between Elon Musk and President Donald Trump.

(Reuters) -Traders raked in $4 billion in profit from their short positions in Tesla shares on Thursday after a public feud between President Donald Trump and CEO Elon Musk drove the biggest single-day drop in market value.

The world’s richest man could lose billions in his fight with world’s most powerful politician. The feud between Elon Musk and Donald Trump could mean Tesla’s plans for self-driving cars hit a roadblock,