Shares of 23andMe Holding Co. fell 15.8% Thursday after the DNA-testing company fiscal third-quarter sales declined 33%, weighed down by lower consumer services and research revenue. The stock’s performance puts 23andMe ME, -17.19% shares on pace for their biggest daily percentage decline since Nov. 9, 2023, they fell 21.96%, according to Dow Jones Market Data. The stock is also on pace for its fourth-worst daily percentage decline. 23andMe’s third-quarter revenue was $44.7 million, down from $66.9 milli ...