Elon Musk’s bid for OpenAI and his divisive political image raise new risks for Tesla’s expensive stock.

Tesla shares can’t stop sliding. The stock sank 6.3% to $328.50 Tuesday and was the day’s worst performer on the Nasdaq 100.

BYD makes advances in AI-powered driving software while Musk’s wait for approval grows.

Tesla TSLA-3.73%decrease; red down pointing triangle Chief Executive Elon Musk talked about full self-driving cars hitting ...

The electric-vehicle maker reports fourth-quarter earnings after the bell Wednesday. Here’s what investors will be watching: Tesla is expected to earn $0.66 a share, or $0.77 on a non-GAAP basis. Net ...

Before endorsing the far right, he faced escalating disputes over conditions at the carmaker’s Berlin factory.

Shares of Tesla rose 4.7% after the electric-vehicle maker run by CEO Elon Musk reported fourth-quarter earnings. Here are some key takeaways: Tesla reported adjusted profit of $2.57 billion, or 73 ...

Tesla is pushing for global expansion and looking to open more factories around the world. WSJ analyzes three speeches by Elon Musk to understand the company’s strategy to beat competitors and ...

Tesla’s TSLA-2.26%decrease; red down pointing triangle fourth-quarter profit rose 3% on growth in its energy and service businesses, helping it regain some momentum in the final months of what ...

Weeks after Tesla slashed prices on a number of its models, Ford Motor dropped the price of its electric Mustang Mach-E. WSJ auto reporter Nora Eckert compares the auto makers’ strategic moves ...

Everything is now a tech thing. In creative and humorous videos, WSJ senior personal tech columnist Joanna Stern explains and reviews the products, services and trends that are changing our world.