Moderna stock toppled Thursday on reports the Trump administration is considering pulling bird flu vaccine funding.

Health-care company stocks declined. Moderna shares fell after reports that federal health officials are re-evaluating its $590 million contract to help develop a bird-flu vaccine. Shares of Teladoc ...

US stocks open up after strong, not stellar, Nvidia earnings curb enthusiasm. Trump's tariff talk also adds uncertainty. Inflation data due Friday.

An upbeat tone is seeping into markets as investors dig into Nvidia's quarterly earnings beat, which signaled plenty of scope for growth.