Individual investors again piled into several niche stock market plays on Tuesday, prompting hedge fund short sellers to scramble to cover losing bets and driving a rally in shares of companies including GameStop and Etsy.

A day after hitting their highest point since 2011, shares in Canadian tech company BlackBerry went on another wild ride Tuesday, jumping up when stock markets opened before see-sawing into positive and negative territory.

Larry Fink, chief executive of the world's biggest asset manager BlackRock , warned the companies it invests in on Tuesday they will need to show a game plan for surviving in a world aiming for net-zero carbon emissions by mid-century.

The fallout from the merger of two oilpatch majors — Cenovus Energy and Husky Energy — is expected to land in downtown Calgary this week as workers begin to receive layoff notices.

The COVID-19 pandemic has created two distinct economies in Canada. One is thriving. The other is trying desperately to hold on, Peter Armstrong writes.

Married couple Rod and Ekaterina Baker are accused of flouting COVID-19 rules and lying about being local motel workers in order to obtain doses of the Moderna coronavirus vaccine in Beaver Creek, Yukon, last week. Rod Baker has resigned from his job as CEO of Great Canadian Gaming Corporation.

Shares of U.S. videogame retailer GameStop surged as much as 144 per cent on Monday, touching another record high after already surging about 245 per cent since the beginning of the year.

For the first time since 1983, when Anheuser-Busch used all of its ad time to introduce a beer called Bud Light, the beer giant isn't advertising its iconic Budweiser brand during the Super Bowl. Instead, it's donating the money it would have spent on the ad to coronavirus vaccination awareness efforts.

Shares in Canadian technology company BlackBerry are changing hands at their highest level in almost a decade on Monday, as investor enthusiasm for the once high-flying stock has mysteriously returned.

'Net zero' is a popular goal these days for those looking to reduce their carbon footprint, usually with a timeline decades in the future. Now, a pair of Alberta companies claim they're using carbon capture technology to reach "negative" emissions by storing more CO2 underground than their operations produce.