The Department of Government Efficiency lost a key legal challenge on Tuesday, dealing a blow to how it will operate.

Elon Musk had a one-word reaction to news of Joe Rogan purchasing one of his Tesla vehicles as the stock continues to plummet ...

Chinese automaker BYD continues to leave Tesla in the dust. The company introduced a new battery system on Monday that it ...

Dow Jones futures rose slightly overnight, along with S&P 500 futures and Nasdaq futures. The Federal Reserve meeting announcement and Fed chief Jerome Powell's comments will be key.The stock market ...