The major indexes weakened and were mixed Tuesday afternoon. Tesla stock picked up momentum Tuesday after two days of losses.

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Apple ( AAPL 2.26%) and Tesla ( TSLA -1.29%) are two of the popular stocks among individual investors, but the hedge fund billionaires listed below sold one and bought the other in the fourth quarter.

HSBC analyst Mike Tyndall has lowered his price target for Tesla (TSLA) to $130 from $165, signaling a potential downside of nearly 50% from

Cathie Wood is bullish on a low cost Tesla model, as well as the company's coming robotaxi project due to launch this year.

With Tesla about to report what look like disappointing earnings in a stock market that has been falling, is now a bad time to think about buying?

Cantor analysts said their bullishness on Tesla crystallized after they visited the company's Gigafactory and AI data centers in Austin, Texas.

Tesla's stock saw a spike when Musk held an all-hands meeting with Tesla employees and told them not to sell any Tesla shares.

Tesla’s stock closed higher Tuesday for the fifth straight day, a remarkable and sustained rally that has recaptured a quarter of the value it lost in the last three months. It may not last.

Tesla Chief Executive Elon Musk says the electric-car maker won't be “unscathed” by President Trump’s 25% auto tariffs. But the stock-market reaction suggests the car company might be able to better navigate them than its American rivals.