Communications-services companies rose as falling oil prices buoyed sectors dependent on discretionary spending. U.S. carriers AT&T, Verizon and T-Mobile US rose sharply.

Communications-services companies fell, but not by as much as the broad market, as traders bet on merger activity in the sector.

Communications-services companies rose as falling oil prices buoyed sectors dependent on discretionary spending. U.S. carriers AT&T, Verizon and T-Mobile US rose sharply.