Yum Brands missed analysts' estimates for the second quarter on Tuesday, hit by higher ingredient costs and muted demand that weighed on its businesses, including Taco Bell, sending its shares down 4%.

Yum! Brands Inc.’s sales rose less than expected in the latest quarter after growth at Taco Bell and KFC was weaker than anticipated.

Lower-income consumers are pulling back visits from QSR concepts across the country, but not at Taco Bell. Not even close. The Mexican giant’s same-store sales rose 4 percent in Q1, outpacing the limited-service category by 4 percentage points.