Greasy Spoon Goes Private, Shares Rocket 50%

Group 1 - Denny's has agreed to be taken private by a group of investment firms in a deal valuing the company at $620 million [1] - The acquisition involves three investment groups collaborating to purchase the classic American diner chain, which was founded in 1954 in Lakewood, California [1] - TriArtisan Capital Advisors, a New York-based private equity investment firm, is one of the firms involved in the acquisition [1] Group 2 - Denny's stock is showing improved relative strength, indicating renewed technical strength in the market [4] - The company has received stock upgrades, reflecting its rising relative strength [4] - Denny's CEO has a positive self-reflection approach, which may contribute to the company's performance [4]