Big Tech, once the market leader, is being overshadowed by gains from the new stars of the artificial intelligence boom: semiconductor chipmakers.

(Bloomberg) -- US stocks advanced as a bullish sales outlook from Nvidia Corp. bolstered confidence that the rapid expansion in artificial-intelligence spending is set to run for…

Aug 27 : Nvidia ignited a chip-stock rally on Thursday with a rare long-term revenue projection that did what its recent quarterly beats could not — ease investor fears that the…