Macy’s Inc. raised its full-year sales and profit outlook on Thursday, signaling the department store chain had sidestepped supply chain snarls and was well stocked for the all-important holiday season. The retailer also beat market estimates for quarterly sales and said it was reviewing a potential spin-off of its e-commerce business, sending its shares soaring more than 20 percent to a three-year high. After last year’s lockdown-driven slump, department stores have enjoyed a sales rebound in recent months as Americans stepping out more splurge on perfumes, dresses and formal wear. Rival Kohl’s Corp. also increased its full-year outlook, but was downbeat on its inventory levels due to a shortage in the key category of women’s apparel. Retailers have faced pressure this year from shipping logjams, shuttered factories in Asia and a scarcity of raw materials, leading companies like Nike Inc. to warn of product shortages during the holiday season. But …