Chip Stocks Led by Nvidia Had a Banner Week Thanks to AI

Jensen Huang, president and chief executive officer of Nvidia Corp.

Photographer: Patrick T. Fallon/Bloomberg

The word of the week is Nvidia.

In a single day, the chipmaker Nvidia Corp. became $184 billion more valuable — bringing it to the verge of a $1 trillion market capitalization — after blowing past Wall Street’s quarterly sales expectations. Largely thanks to a surge in demand for artificial intelligence.