Canada’s antitrust watchdog expands its four-year probe into Google’s online ad practices, with a focus on whether the company engages in predatory pricing (Paul Vieira/Wall Street Journal)

Paul Vieira / Wall Street Journal:
Canada's antitrust watchdog expands its four-year probe into Google's online ad practices, with a focus on whether the company engages in predatory pricing  —  The Competition Burea is investigating whether the search giant engages in predatory pricing  —  OTTAWA—Canada's antitrust watchdog …