Health-care companies ticked lower as traders sought out sectors less sensitive to the outlook for growth, inflation and Treasury yields.

Regulatory clearance of the Pfizer and BioNTech vaccine for young children may come in November, The Wall Street Journal reported, after the companies shared data on trials for children aged between 5 and 11 with U.S. health regulators.

New York Gov. Kathy Hochul declared a state of emergency as a mandate for healthcare workers to receive a Covid-19 vaccine took effect, potentially limiting the number of workers available to provide care. New York is serving as a test case of how similar requirements will play out across the U.S.

French drug giant Sanofi won't proceed with the development of one of its experimental Covid-19 vaccines, saying it didn't make sense to go forward in an already-crowded market.

Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

09-28-21 1629ET