Fed commentary could give a further shot in the arm to AI names that have been market leaders, but the broader semiconductor sector still faces challenges and skepticism.

Nvidia shares racked up more gains on Thursday, rising amid the broader rally triggered by the Federal Reserve’s decision to slash interest rates by a half a percentage point.The chip designer’s stock jumped 4% to $117.

Last Tuesday Nvidia shed over $279 billion in value. It was the biggest one-day paper loss for a corporation in the history of the stock market. As a CNN report put it, “only 27 companies on the planet are worth as much as Nvidia lost in value on Tuesday.”