Shares of Sleep Number Corp. fell in the extended session Wednesday after the retailer reported first-quarter earnings above Wall Street expectation and raised its guidance, but mentioned a supply snag that hit its sales in the quarter. Sleep Number said it earned $66.6 million, or $2.51 a share, in the quarter, compared with $39.1 million, or $1.36 a share, in the year-ago quarter. Sales rose 20% to $568 million, and same-store sales rose 20%, Sleep Number said. More than $50 million worth of deliveries, or about two weeks, shifted out of the quarter due to “temporary” foam supply constraints, the company said. Analysts polled by FactSet expected EPS of $1.83 on sales of $580 million. Sleep Number raised its full-year 2021 EPS outlook to at least $6.50, compared with a prior outlook of at least $6. The stock ended the regular trading session up 4.2%.

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