Chuy’s Holdings (NASDAQ: CHUY), the popular Tex-Mex restaurant chain, will release its fourth-quarter and full-year 2016 earnings on Feb. 28. While the stock, as of this writing, is down a little more than 10% since the beginning of the year, there isn’t any company-specific news causing this decline. Rather, the likely culprits are industry headwinds that continue to affect restaurant companies nationwide. With that in mind, let’s examine a few key metrics for investors to keep an eye on when Chuy’s earnings report arrives.