We'll want to see a proven return on capital employed (ROCE) that is increasing, and secondly, an expanding base of capital employed . Basically this means that a company has profitable initiatives that it can continue to reinvest in, which is a trait of a compounding machine . In light of that, when we looked at Tracsis (LON:TRCS) and its ROCE trend, we were not exactly thrilled . So, the trend of ROCE at Tra