Home Depot said retail theft continues to be a challenge.CFO Richard McPhail said the operating environment is "getting harder and harder."However, the executive said investments to combat shoplifting and organized theft "are paying off." 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! Go to newsletter preferences Thanks for signing up! Access your favorite topics in a personalized feed while you're on ...