Tesla Shares Slip After First Annual Sales Decline NYT | Top Stories By: Jack Ewing 3 January 2025 at 01:34 The electric-car company led by Elon Musk no longer has the market to itself. Investors are focusing on autonomous driving and other new technologies. © Justin Sullivan/Getty ImagesA sales dip in 2024 was the first ever for Tesla, which pioneered the electric-car market in the United States.