Shares of United Continental Holdings, Inc. UAL surged 6.7% after the company reported that its traffic for December surged 2.7% year-over-yearSignet Jewelers Limited’s SIG shares declined 6.9% after reporting a 5.3% decline in same-store sales for the holiday periodDomino's Pizza, Inc.’s DPZ shares dipped 3.2% following news that President and Chief Executive Officer, J. Patrick Doyle would leave the fast-food chain operator on Jun 30, 2018Shares of Lennar Corporation LEN surged 2.4% after posting fourth quarter 2017 revenues of $3,786 million, higher than the Zacks Consensus Estimate of $3,623 million Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report United Continental Holdings, Inc. (UAL): Free Stock Analysis Report Lennar Corporation (LEN): Free Stock Analysis Report Domino's Pizza Inc (DPZ): Free Stock Analysis Report Signet Jewelers Limited (SIG): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research