Pleasingly, AdvanSix's total shareholder return last year was 157%. This recent result is much better than the 7% drop suffered by shareholders each year (on average) over the last three. The optimist would say this is evidence that the stock has bottomed, and better days lie ahead. It's always interesting to track share price performance over the longer term. But to understand AdvanSix better, we need to consider many other factors. Take risks, for example - AdvanSix has 1 warning sign we think you should be aware of.