A day after Opendoor Technologies Inc. was swept up in the latest round of meme-stock mania, shares of Kohl’s Corp. skyrocketed amid what a behavioral-finance expert describes as a “mini-bubble.” Shares of the discount department-store chain ended the session up 37.

As the stock market pushes into record territory and bargains become harder to find, investors are once again turning to some of Wall Street's beaten down companies in hopes of a quick score. The latest so-called meme stocks are the department store Kohl’s,