This beaten-down innovator is tweaking its marketing strategy and staging a comeback. Opendoor Technologies (OPEN -0.77%) started its publicly traded life on a high note. Shares of the cloudbased residential real estate trader more than tripled in its first eight months on the market. But the joy didn't last long. Opendoor's stock is down 94.6% from the peak in February 2021. The stock isn't an obvious slam dunk today, but I do see signs of better days ahead. Opendoor deserves your consideration if you're i ...