 Shares of Poshmark Inc. POSH, -8.39 were rising more than 5 in premarket trading Monday after Barclays analyst Trevor Young assumed coverage of the fashion-marketplace stock and lifted Barclays rating on the name to overweight from equal weight. Admittedly, POSH isnt out of the woods yet on navigating ad-targeting post IDFA Apples privacy-related changes to ad tracking, and marketing continues to ramp as a of revenue, pressuring Ebitda earnings before interest, taxes, depreciation and amortization back into negative territory, Young wrote, but he sees positives in the business as well. 