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Casper gets restless ahead of IPO, cutting price range

The mattress start-up Casper cut its expected IPO price range to $12-$13 a share early Wednesday. That's down from the earlier range of $17-$19 a share. The move reduces the company's valuation to just over $500 million. Yahoo Finance's Ethan Wolf-Mann joins Julie Hyman, Adam Shapiro, Dan Howley and Brian Cheung with details.