Artificial or intelligent?

NVIDIA investors are probably making the same mistake Cisco investors did in 1999. Here’s why.

NVIDIA, the computer chip maker, is now the most valuable public company in the world. This week, the firm's market capitalisation blew past $3.3trn to overtake Microsoft. The company's fans treat the founder and boss, Jensen Huang, like a rockstar. He's been hosting parties with the interns, showing off his tattoos, and signing women's breasts.

But some…