Shares of Signet Jewelers Ltd. shot up 5.6% in premarket trade Wednesday, after the diamond jewelry retailer reported fiscal fourth-quarter earnings and sales that beat expectations. For the quarter to Feb. 2, Signet swung to a net loss of $116.2 million, or $2.25 a share, from a profit of $343.0, or $5.24 a share, in the same period a year ago. Excluding non-recurring items, such as a goodwill and impairment charges, adjusted EPS was $3.96, above the FactSet consensus of $3.81. Total sales declined 6% to $2.15 billion, but topped the FactSet consensus of $2.14 billion, while the 2.0% decline in same-store sales missed expectations of a 1.9% decline. For fiscal 2020, the company expects adjusted EPS of $2.87 to $3.45, surrounding the FactSet consensus of $3.13, and total sales of $6.0 billion to $6.1 billion, compared with expectations of $6.1 billion. The stock has lost 13% year to date through Tuesday, while the S&P 500 has gained 14%.