SunTrust Robinson Humphrey analysts are raising the alarm for Denny's Corp. /zigman2/quotes/206956394/composite DENN -5.42% and other family-dining chains about the launch of Wendy's Co. /zigman2/quotes/204070192/composite WEN -1.39% breakfast menu on March 2. "While we see risk that the fast-food 'breakfast wars' will negatively impact family-dining competitors, Denny's appears to be benefiting from a consumer shift to the higher end of its menu," analysts led by Jake Bartlett wrote in a note. Among the items on that pricier side of the menu is the "top-selling" prime rib omelette. "It's our most expensive omelette," said John Miller, chief executive of Denny's, speaking on the earnings call, according to a FactSet transcript. "It's also more unique and differentiated from what a ham or cheese omelette you might get somewhere else." Miller also said all-day breakfast has grown at Denny's. The restaurant chain's stock is down 6% in Wednesday trading after it reported a sales decline. Net income totaled $18.6% million,or 31 cents per share, up from $11.5 million, or 18 cents per share last year. Adjusted EPS of 23 cents per share beat the FactSet consensus for 17 cents. Revenue of $113.8 million fell from $159.5 million but beat the $107.0 million FactSet outlook. Denny's is in the process of a major refranchising effort. Domestic same-store sales grew 1.7%. For full-year 2020, Denny's expects domestic same-store sales to be flat to up 2%. FactSet is guiding for 1.7% growth. Denny's stock is up 10% for the last year while the S&P 500 index /zigman2/quotes/210599714/realtime SPX -1.12% has gained 23% for the period.