It has been an interesting year for the restaurant industry. The impacts of inflation and costs of operation have seen revenue plummeting and some major chains struggling. Earlier this year,Denny’s shut down 57 locations due to underperformance. Now comes word that even more have bit the dust. Denny’s, America’s Diner, Shutting Down More Locations Across AmericaIn the second quarter of 2024 — which ended in June — Denny’s CFO, Robert Verostek, relayed the message in the company’s Q2 earnings call with its investors and owners. Verostek said there were “15 closures with an average unit volume o…