HAMILTON, Bermuda, 2015-12-28 — /EPR Retail News/ — Signet Jewelers Limited (NYSE and LSE: SIG), intends to announce its holiday sales results at approximately 7:00 a.m. EST on Thursday, January 7, 2016. On that date there will be a conference call at 8:30 a.m. EST and a simultaneous audio webcast and slide presentation available at www.signetjewelers.com. The slides will…