Stocks making the biggest moves midday: Genuine Parts, General Motors, Verizon, Philip Morris and more - Earnings playbook: More than 100 companies are slated to report this week, including General Motors - General Motors slips following Morgan Stanley downgrade - Stocks making the biggest moves premarket: Spotify, General Motors, Coca-Cola and more - CEOs of General Motors, Salesforce among corporate insiders selling stock last month - Ford would welcome General Motors joining Formula 1 grid for competition purposes - Ford would welcome General Motors joining Formula 1 grid for competition purposes - Stocks making the biggest moves midday: Spotify, JetBlue, Danaher, General Motors and more - The Score: Shopify, General Motors, Tesla and More Stocks That Defined the Week - Stocks making the biggest moves midday: Foot Locker, General Motors, Phillips 66 and more