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OTTAWA — An increase in the cost to send a letter in sa¹ú¼Ê´«Ã½ took effect Monday. The cost of stamps purchased in a booklet, coil or pane is now 99 cents per stamp, an increase of seven cents. The price of a single domestic stamp is now $1.

CALGARY — Ensign Energy Services Inc. reported a loss in its latest quarter compared with a profit a year earlier as its revenue fell 11 per cent. The oilfield services company says its net loss attributed to common shareholders amounted to $1.

TORONTO — When talent search platform Plum noticed ChatGPT sending ripples through the tech world and beyond, it decided to turn right to the source to lay out how staff could and couldn't use the generative artificial intelligence chatbot.

CALGARY — A potential strike between WestJet and its mechanics union appears to have been avoided.

OTTAWA — Bank of sa¹ú¼Ê´«Ã½ governor Tiff Macklem navigates a political minefield every time he testifies before the House of Commons finance committee. Four times a year, members of Parliament get the chance to question the governor on monetary policy.

TORONTO — Hundreds of Nestle workers walked off the job in Toronto on Sunday after rejecting a tentative agreement the union reached with the chocolate maker.

TEL AVIV, Israel (AP) — Israel ordered the local offices of Qatar's Al Jazeera satellite news network to close Sunday, escalating a long-running feud between the broadcaster and Prime Minister Benjamin Netanyahu's hard-line government as Doha-mediate

TORONTO — Five things to watch for in the Canadian business world in the coming week: Suncor earnings Suncor Energy Inc.

OTTAWA — Conservative Leader Pierre Poilievre is telling business leaders to fight their own battles when it comes to the Liberals' proposed changes to capital gains taxation.

At least once a day, Digvijay Kosamia glances at his vibrating cellphone to check the latest text he's received, only to find a "frustrating" message from an unknown number.