RAPAPORT... Signet Jewelers has hired Vincent Sinisi as senior vice president of investor relations, replacing Randi Abada, the company said Monday.Sinisi has over 15 years of experience as a retail analyst, most recently as executive director of equity research for Morgan Stanley. In his new role, he will be responsible for communicating Signet's strategic growth plans to the investment community and building relationships with retail analysts and investors. "[Sinisi] is an accomplished executive with extensive financial and investment background, and I am confident that Signet will benefit from his experiences and perspective as we accelerate our Path to Brilliance transformation efforts," said Signet's chief financial officer Joan Hilson.Image: Vincent Sinisi. (Signet Jewelers)