Best Buy is hoping Microsoft's Copilot+ will help end its 10 quarters of declining comparable sales.More than 30,000 employees have been trained to help sell the new AI-enabled PCs.The company also created a new "AI skillset" for Geek Squad agents in a retooling of the team. Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read preview Thanks for signing up! Access your favorite topics in a personalized feed while you're on the go. Em ...