Dunkin Donuts (NASDAQ: DNKN) shares are up three percent today, according to Yahoo Finance, partly due to K-Cup sales and the new Dunkin Donuts Perks Loyalty program. According to some analysts, the stock may be able to increase up to 15 percent, reaching close to $54 per share. Although the coffee and food chain appears to be doing well, the competitors are still leading in share price increases, Yahoo Finance reported. While Dunkin Donuts it up 9 percent, Starbucks is up 14. Yahoo Finance commenter Wayne said: “whenever ever I go to Dunkin which is daily there is rarely a lull in the traffic especially at the drive thru! it never stops and there is usually a good traffic flow in the store also”