Universal Electronics shareholders are down 31% for the year, but the market itself is up 22%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 7% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. It's always interesting to track share price performance over the longer term. But to understand Universal Electronics better, we need to consider many other factors. For instance, we've identified 1 warning sign for Universal Electronics that you should be aware of.