Kenvue, the maker of Tylenol, saw its shares drop 9.5% after a report suggested a potential link between the drug's use during pregnancy and autism. US Health Secretary Robert Kennedy Jr. is expected to release findings this month implicating Tylenol. Kenvue and leading medical organizations maintain that there's no causal link, citing inconclusive research. While some studies suggest a correlation, others find no evidence. The FDA and the American College of Obstetricians and Gynecologists advise pregnant women to consult their doctors before taking acetaminophen.

Prepared by Christopher Adams and reviewed by editorial team.