Toys “R” Us Canada says it is closing five Ontario stores and revamping several others as it works to “optimize” its business.

BlackBerry Ltd. says it is changing the name of its Internet of Things business. The Waterloo, Ont.-based technology firm ...

The United Steelworkers union said Nippon Steel Corp.’s latest offer to win presidential approval of its proposed acquisition of US Steel Corp. is a long-shot attempt that fails to commit to ...