Plans by Dunkin' Brands  (DNKN) - Get Report  to accelerate the rollout of its Beyond Sausage Sandwich may be tempting the appetites of its customers but investors Tuesday were feeling a bit more finicky.

Dunkin's stock price fell 0.49% to $75.38 Tuesday after the quick-service chain announced plans on Monday to roll out the Beyond Meat (BYND) - Get Report sandwich at 9,000 restaurants across the country on Nov. 6, speeding up a launch that had been planned for January.

Dunkin' said it decided to push up plans for a nationwide rollout after its new, plant-based sausage sandwich became one of its top-selling menu items in Manhattan during a trial run in New York in July.

Dunkin's looming Beyond Sausage Sandwich launch adds further pressure on McDonald's (MCD) - Get Report , which has been slower than its international restaurant peers in adding plant-based alternatives to its menu, a move that might have trimmed same-store sales growth in the United States.

Analysts are already predicting the new Beyond Meat sandwich rollout by Dunkin' will drive up 2019 sales. Analysts surveyed by Zacks Investment Research are predicting 2019 sales of $1.4 billion, representing a 3.8% increase over the same period a year before.

"Backed by solid expansion strategies and a strong brand presence, the rollout is expected to drive the company's top line," Zacks noted.

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