Wal-Mart plans to invest about $500 million to strengthen its Canadian footprint, creating more than 7,500 jobs including retail and construction.
BlackBerry reported a massive quarterly loss due to an inventory write-down and asset impairment charges, and its shares swung in a wide range.
Citigroup urged investors to sell BlackBerry said it sees no strategy to help the smartphone maker 'out of the strategic box it finds itself in.'
Canada's second-biggest bank posted disappointing quarterly profit, while also announcing a 2-for-1 stock split and dividend boost.
Ottawa reportedly rebuffed efforts by Chinese electronics company Lenovo to acquire BlackBerry due to worries about national security.
The struggling smartphone maker has abandoned plans to sell itself to Canadian investor Prem Watsa for $4.7 billion.
A possible deal for Citizens would represent one of the largest banking deals since the '08 crisis and substantially increase TD's U.S. footprint.
BlackBerry's co-founders said they are considering buying the smartphone maker after a separate take-private offer hit hurdles.
Private-equity firm Cerberus is reportedly among one of at least two distressed investors that has expressed interest in BlackBerry.
The loosely-structured deal was triggered by the smartphone maker's deteriorating business and plunging stock price.