Monday’s trading action was a real eye-opener on Monday morning: stocks were set to open lower in a big way. Why? Facebook found itself in hot water over what may sound like a data breach, but wasn’t. Facebook’s algorithms helped a firm generate personal data for over 50 million FB users, from only 270,000 agreeing to participate in a questionnaire. Angry users of the website promised to either close their accounts or turn of permission to use their data, which would be a very big problem for Facebook’s bottom line.