Shares in Denny’s jumped 50% Tuesday after the 71-year-old diner chain — long known for its “Grand Slam” breakfasts and 24/7 service — agreed to go private in a $322 million deal.

The deal is being led by TriArtisan Capital Advisors, a New York-based private equity firm that also owns Chinese food chain PF Chang’s, the parent company of Hooters and burger place TGI Fridays.

Investment firm Treville Capital Group and Yadav Enterprises, one of Denny’s largest franchisees, are working with TriArtisan to buy out the restaurant chain.

Shares in Denny’s jumped 50% Tuesday after the diner chain agreed to go private in a $322 million deal. Getty Images

Stockholders will receive $6.25 a share in cash for each share – a 52% premium compared to its closing stock price on Monday.

Denny’s board o

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