Poshmark, the mobile marketplace that lets women swap and sell items out of their own closets, is announcing a big partnership with the United States Postal Service. This marks one of the first times ...

When Poshmark opened its platform to the sale of home decor items last month, it was a sign that the fast-growing e-commerce company was expanding from a curated fashion app to a lifestyle marketplace ...

A big part of Poshmark’s appeal is the social aspect — users are encouraged to leave comments under listings, and share other sellers’ “closets,” or profiles. In that way, it’s closer to ...