By clicking “Sign Up”, you accept our Terms of Service and Privacy Policy . You can opt-out at any time by visiting our Preferences page or by clicking "unsubscribe" at the bottom of the email.Access your favorite topics in a personalized feed while you're on the go. download the appThanks for signing up! Go to newsletter preferencesSign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read previewSouthwest Airlines is slashing unprofitable routes as it ...