Elon Musk said Tesla Inc. needs to build and operate what he is calling a “TeraFab” to manufacture semiconductors, a massive undertaking that will cost billions of dollars and mark another expansion beyond what had been the company’s core electric vehicle business.

Legendary investor Warren Buffett famously passed at investing in Tesla Inc (NASDAQ:TSLA) stock over the years in the investment portfolio of conglomerate Berkshire Hathaway Inc (NYSE:BRK)(NYSE:BRK).

Shares of Tesla Inc. rose slightly in after-hours trading today after the company beat expectations in its fiscal fourth quarter and Chief Executive Officer Elon Musk announced major changes that will shift Tesla’s identity beyond car manufacturing.

Tesla, Inc. outlook: weak deliveries, falling profits, and rich valuation vs peers. Click for this updated look at TSLA stock following the latest earnings.

Tesla plans $20B investment in AI, robotics, and Robotaxi expansion, halts Model S/X, beats Q4 profit estimates, and grows FSD subscriptions 40%.

Though Tesla sales in Europe collapsed last year as it lost ground to rivals, its shares continue to outperform the broader market.

Tesla, Inc. beats earnings as margins rise, but the 2026 delivery outlook stays vague amid demand worries. Click for this updated look at TSLA stock post-earnings.

Tesla’s stock, which raced to an all-time high in December before retreating some, trades at more than 195 times its expected earnings over the next 12 months as of Monday’s close.

A mix of declining sales and new product expenditures combined to cut Tesla Inc.’s full-year and fourth-quarter earnings results, with the electric vehicle maker posting drops in revenue and profit but offering a rosy outlook.