The Signet Group announced that it has noted increased group sales for the 13 weeks prior to November 3. The total group sales increased by 7.9% at constant exchange rates, while same store sales increased by 3.2%, during the said period.%%Signet’s total sales in U.S. recorded a surge of 10.1% to value at $488.2 million, while same store sales hiked by 2.5%. The stores noted an operating profit of $11.5 million. Mentioning that the profit before tax was slightly below in the year to date, as compared to last year’s level, Terry Burman, Group CEO said that it reflected a more challenging retail marketplace in the US said commented. Burman also said that it would be difficult to realise what the analysts had predicted for Signet’s profits and a wider than normal range of profit before tax estimates would be appropriate.