SAN FRANCISCO, Aug. 01, 2024 (GLOBE NEWSWIRE) -- Mainstay ("Company"), formerly Open Exchange, a comprehensive market intelligence and transaction platform for the single-family rental industry, today announced its launch as an independent, privately-held company, marking its separation from Opendoor Technologies Inc. ("Opendoor") (NASDAQ:OPEN), a leading e-commerce platform for residential real estate transactions. Mainstay also announced an equity capital raise led by Khosla Ventures, with participation f ...