Domino's Pizza Group has been the worst performing company on the FTSE All Share index in London today after it published its annual results for 2016.
The company's revenues booked a major 14% revenue boost - but its shares are down by more than 16%.
Domino's shares fall by 16.5% in London
Its UK growth has slowed - and investors are betting that this trend is set to continue. It's like for like sales in the UK were still 7.5% higher - which is strong growth but a lot less than the 11.7% recorded last year.
The company's UK sales grew by 3.9% in the first nine weeks of 2017 - that's down from 4.8% growth during the same period last year.
Domino's is set to faced increased competition from delivery apps which offer a broader variety of food - such as Just Eat and Deliveroo, who have experienced massive growth. Uber Eats is also muscling into the food delivery market.
Meanwhile, Ireland delivered 10% year-on-year growth (at local currency values) for the group.
Domino's Pizza Ireland / Facebook
Online and mobile account for 73% of its orders - the company served up a total of 89 million pizzas last year. These sales were up by 21%.
It hopes to open 80 new outlets in the UK in 2017 - creating 3,000 jobs.
The company has recommended a final dividend of 4.5p giving a total dividend of 8.0p, growing 16% year on year.
Commenting on the results, Chief Executive Officer David Wild, said: "2016 was another successful year for Domino’s Pizza Group and this performance is reflected in today’s financial results. The UK delivered strong year-on-year growth due to robust like-for-like sales and the opening of 81 new stores.
"This performance, combined with our tight control of costs, has generated a significant rise in profits and a dividend payment of 8.00p per share. Our cash conversion remains very strong and we have reinvested through International expansion and returned cash to shareholders through dividends and share buy-backs."