While it's certainly disappointing to see that Texas Instruments shares lost 9.9% throughout the year, that wasn't as bad as the market loss of 22%. Of course, the long term returns are far more important and the good news is that over five years, the stock has returned 12% 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 Texas Instruments better, we need to consider many other factors. To that end, you should learn about the 3 warning signs we've spotted with Texas Instruments (including 2 which are significant).