National Business

TORONTO — Ontario Power Generation says it has signed a deal to buy the former head office building for General Motors of Canada in Oshawa, Ont., and plans to use it for its own corporate headquarters.

WINDSOR, Ont. — Stellantis North America says Jason Stoicevich will take over the leadership of its Canadian operations, effective immediately.

TORONTO — Dye & Durham Ltd. reported a net loss of $34.8 million in its latest quarter as its revenue edged down three per cent compared with a year ago.

VANCOUVER — B2Gold Corp. has signed a deal to buy Sabina Gold and Silver Corp. in an all-stock deal valued at $1.1 billion. Sabina owns the Back River gold district in Nunavut including five mineral claims across an 80-kilometre belt.

VANCOUVER — Ritchie Bros. Auctioneers Inc. says it expects its fourth-quarter profit to come in between US$42 million and US$45 million. In its preliminary results for the quarter ended Dec. 31, the company, which keeps its books in U.S.

WINNIPEG — The Royal Canadian Mint says it's temporarily laying off 56 employees at its Winnipeg facility.

TORONTO — Five things to watch for in the Canadian business world in the coming week: TC Energy results TC Energy Corp. will release its fourth-quarter financial results on Tuesday.

TORONTO — Life insurance for a baby might sound a little off, but fast-growing Greatway Financial Inc. says it's never too early to sign up.

A new report predicts there will be almost no narwhal left in an area off the northeastern coast of Baffin Island this summer and says shipping traffic from the nearby Mary River iron-ore mine is to blame.

WASHINGTON — A U.S.