National Business

TOKYO (AP) — Japan's wrecked Fukushima nuclear power plant said it began releasing a second batch of treated radioactive wastewater into the sea on Thursday after the first round of discharges ended smoothly.

TORONTO — Months after artificial intelligence luminaries began ringing alarm bells about the technology’s risks, one of the field's pioneers says he feels like people are listening.

CALGARY — The coming startup of the Trans Mountain pipeline will help boost Canadian oil production to an all-time high within the next two years, according to a new report.

WATERLOO, ONT. — BlackBerry Ltd. says it will carve its cybersecurity and Internet of Things business units into two independently operated entities. The Waterloo, Ont.

CALGARY — TC Energy Corp. says it has closed its previously announced sale of a 40 per cent stake in its Columbia Gas Transmission and Columbia Gulf Transmission systems to New York City-based Global Infrastructure Partners for $5.3 billion.

MONTREAL — The massive outage on Canadian National Railway Co. lines that delayed thousands of Toronto-area commuters during the evening rush hour Tuesday can be traced to a routine software upgrade, the company says.

CALGARY — Birchcliff Energy Ltd. has announced the retirement of chief executive officer Jeff Tonken.

TORONTO — Some of the most active companies traded Wednesday on the Toronto Stock Exchange: Toronto Stock Exchange (19,034.81, up 13.89 points): Toronto-Dominion Bank. (TSX:TD). Finance. Down 21 cents, or 0.26 per cent, to $79.44 on 11.

CALGARY — French company TotalEnergies says it has finalized its sale of its 50 per cent stake in the Surmont oilsands project to U.S. oil company ConocoPhillipsin a deal worth up to $4.4 billion. Canadian oil producer Suncor Energy Inc.

TORONTO — The largest shareholder of Aimia Inc. says it has become disillusioned and frustrated by the company's board and management team, so it plans to make a bid to take Aimia private in a deal that would value the company at about $308 million.