Coming into Chuy's Holdings' (NASDAQ: CHUY) first-quarter earnings report, investors were hoping to see comparable restaurant sales rebound after last quarter's sudden decline. Instead, the Tex-Mex restaurant chain reported a second consecutive quarter of falling comps and lowered its full-year guidance to boot.Is this once-promising growth story beginning to sputter out?Even during a tough 2016, Chuy's delivered three quarters of positive comps growth before finally turning negative in the holiday period, falling 1.1% as the company couldn't overcome a sharp decline in customer traffic.Continue reading