CEO Alex Karp struck a confident and combative tone on the company’s first-quarter earnings call Monday, celebrating a surge in U.S. growth and expanding global adoption of its AI-driven platforms.

Simpson Oil launched a scathing rebuke of Parkland Fuel Corporation’s (TSX:PKI) board on Friday, accusing directors of delaying a shareholder vote in a bid to push through a $9.1 billion takeover by ...