National Business

Canada's telecommunications regulator says the country's largest cellphone carriers must take steps to make their international roaming rates more affordable. BCE Inc., Rogers Communications Inc. and Telus Corp. have until Nov.

MONTREAL — Dockworkers at the Port of Montreal plan to halt all overtime work starting later this week in a pressure tactic aimed at management as contract talks grind on.

TORONTO — Canada's main stock index closed lower Monday in a broad retreat that outweighed gains in energy stocks, while U.S. stock markets also fell on a weakened outlook for interest rate cuts.

NEW YORK (AP) — U.S. stocks slid after Treasury yields hit their highest levels since the summer and oil prices continued to climb. The S&P 500 fell 1% Monday, though it’s still close to its all-time high set a week ago.

TORONTO — Ticketmaster is enforcing new rules around how fans transfer Taylor Swift tickets amid a surge in reported scams.

WASHINGTON (AP) — The Supreme Court on Monday rejected an appeal from Martin Shkreli, who was once dubbed “Pharma Bro” after jacking up the price of a lifesaving drug. Shkreli appealed an order to return $64.

TORONTO — Canadian doctors are being told to consider scurvy when assessing patients at risk of poor nutrition and food insecurity.

CALGARY — Canadian Natural Resources Ltd. has signed a deal to buy Chevron Canada Ltd.'s interests in the Athabasca Oil Sands Project and Duvernay shale for US$6.5 billion.

TORONTO — Hudbay Minerals Inc. has reached settlement agreements covering three civil lawsuits in connection with the Fenix nickel project in Guatemala that the company sold in 2011.

TORONTO — KPMG says nine in 10 Canadian CEOs are considering making an acquisition within the next three years to help boost their company's growth.