Shares of Buckle Inc. BKE, +0.28% sank 5.4% in premarket trade Thursday, after the apparel and accessories retailer reported sales declined for the month of September. Net sales fell 3.2% to $75.4 million for the five weeks ended Oct. 7, while same-store sales declined 2.4%. That follows a 6.3% decline in net sales and a 0.7% drop in same-store sales in August. The FactSet consensus is for fiscal third-quarter (through October) for a net sales decline of 2.7% to $218 million and a 0.1% rise in same-store sales. The stock has tumbled 17% over the past three months through Wednesday, while the SPDR S&P Retail ETF XRT, -2.46% has lost 4.0% and the S&P 500 SPX, -3.29% has gained 0.4%.

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