Americans are increasingly tightening their belts as household savings drop while prices rise

Yum posted $1.05 per share in their second-quarter adjusted earnings, falling short of estimates

Overall expenses jumped 4% due to the increased cost of ingredients, labor and packaging

Rivals McDonald's and Starbucks posted better-than-expected profits after hiking prices to offset higher expenses

But Yum's Taco Bell, KFC and Pizza Hut are banking on lower prices to attract customers amid inflation

Yum reported 1% quarterly same-store sales growth

Taco Bell posted an 8% increase, making up for declines at KFC and Pizza Hut