Although it hurts that Middlesex Water returned a loss of 3.3% in the last twelve months, the broader market was actually worse, returning a loss of 4.5%. Of course, the long term returns are far more important and the good news is that over five years, the stock has returned 23% for each year. In the best case scenario the last year is just a temporary blip on the journey to a brighter future. It's always interesting to track share price performance over the longer term. But to understand Middlesex Water better, we need to consider many other factors. Even so, be aware that Middlesex Water is showing 2 warning signs in our investment analysis, and 1 of those doesn't sit too well with us...