One thing investors don't like is protracted legal fights, even for hip companies like Tesla, SpaceX, Neuralink and The Boring Company.

Celsius Holdings, Tribune Publishing, Ebang International, Intrepid Potash and Red Lion Hotels are five top stock gainers for Thursday.

The solar energy firm will begin trading on the index on Jan. 7.

Tiffany continues to shine with consumers, with third-quarter sales and earnings surpassing analysts' estimates amid strong sales in mainland China and online.

Stock futures rebound modestly following the S&P 500's 3.5% drop; Amazon, Apple, Alphabet and Facebook report earnings; Tiffany accepts a lower offer from LVMH.

Sequoia Capital and Y Combinator have told startups that cutting costs is a priority.

Elon Musk will soon allow Dogecoin to purchase SpaceX merchandise.

The theme park company has opened Guardians of the Galaxy: Cosmic Rewind and not everyone is happy despite the ride getting wonderful reviews.

Aurora is slashing its production capacity as it builds a runway toward positive Ebitda a year from now.