He claims the carmaker will be the most valuable AI company in the world thanks to the reams of video data collected by its cars. Is that really a competitive advantage?

After tons of research we bought a Tesla Model Y. We didn't realize how expensive it'd be to insure it. Now we want to sell it.

Even so, investors are still debating whether Elon Musk’s electric-vehicle maker remains overpriced. The company’s market capitalization has dropped 45 percent since hitting an all-time high of $1.5 trillion on December 17,