Did you know there are some financial metrics that can provide clues of a potential multi-bagger? Ideally, a business will show two trends; firstly a growing return on capital employed (ROCE) and secondly, an increasing amount of capital employed. If you see this, it typically means it’s a company with a great business model and plenty of profitable reinvestment opportunities. So while Booking Holdings (NASDAQ:BKNG) has a high ROCE right now, lets see what we can decipher from how…