Kennedy has been criticized for making false medical claims. He has also vowed to purge the U.S. Food and Drug Administration ...

Stocks tumbled on Friday as the post-election rally fizzled and investors fretted over the path of interest rates.

Wall Street tumbles as the "Trump bump" fades; vaccine makers sink amid potential RFK Jr. appointment. S&P 500 sees worst day ...

Vaccine maker stocks sank, while psychedelic treatment shares jumped, after President-elect Donald Trump said he was tapping ...

Big pharma stocks needed a shot in the arm after Donald Trump chose vaccine skeptic Robert F. Kennedy Jr. as health secretary ...