New Delhi, Dec. 8 -- Denny's, the iconic American diner chain known for its 24/7 service and all-day breakfast menu, is preparing to shut down as many as 10 locations across the United States as part of a major $620 million buyout by a private equity group.

The move marks one of the most significant structural shifts for the brand in years, prompting questions about its future direction and long-term viability.

Founded in 1953, Denny's became legendary for its round-the-clock dining, comfort-food classics, and its role as a go-to stop for families, night-shift workers, students and travellers. The brand built a devoted following with dishes like the Grand Slam Breakfast, bottomless coffee, and its reliably open doors-even on holidays. ...