Asian shares were mostly higher on Thursday after a mixed finish on Wall Street, where shares in Nvidia, Palantir and other superstar stocks pared their earlier steep losses.

If you haven't been investing in companies connected to the artificial intelligence trend, it's not too late to start.

Nvidia ( NVDA -0.16%) is the world's largest company, which may give some investors pause before investing in it. A common mindset is: "If it's already the biggest company in the world, can it get any ...