Communications services companies fell as investors rotated out of growth sectors.

Altice Europe shares rose after the French telecom giant agreed to a roughly $2.95 billion takeover offer from Patrick Drahi, its founder and majority shareholder.

Federal prosecutors stepped up a campaign against North Korea on Friday, unsealing two cases involving alleged sanctions violations as officials warn Pyongyang remains a significant threat to national security and the global financial system.

Prosecutors in the U.S. attorney's office in Washington, D.C., asked a federal judge to order the forfeiture of funds associated with a former North Korea employee and related front company of Chinese telecommunications giant ZTE Corp.

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