Cathie Wood, chief of Ark Investment Management, believes in tech stocks that will have a disruptive impact. She isn’t afraid to buy them on the way down — or up. Sometimes her strategy works: The ...

To no one's surprise, it's really hard to get your hands on Nvidia's GeForce RTX 5090 and 5080 graphics cards.

Now the S&P 500 is struggling to hold on, too. The market benchmark erased earlier gains but was back up 0.1%. The Nasdaq Composite was down 0.3%. The Dow was up just 41 points, or 0.1%. The S&P’s ...

Shipments for the company's technology to China have been pressured by competition from domestic firms developing similar ...