Artificial intelligence has become the latest 'buzzword' on the stock market. Here's how to navigate the hype if you're curious about adding AI stocks to your portfolio.

Nvidia Corp closed in on a trillion-dollar market value on Thursday as shares surged 25 per cent following a bumper earnings report.

A 310-foot "crop circle" in a California barley field that mystified locals this week was explained Sunday: it was a publicity stunt by Nvidia Corp., a maker of chips for PCs and smartphones.