Jeweler to the "value-oriented" Signet Jewelers  (SIG - Get Report) posts fiscal second-quarter results that handily beat analysts' forecasts on Thursday, as it continues to cut costs, close its non-performing stores and streamline its operations.

While lower than a year ago, in particular on the same-store sales front, investors applauded the results, sending shares surging by more than 30%, though the stock is still a long way away from its previous highs reached last September. 

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