Opendoor Technologies, Inc. OPEN shares rallied on Wednesday after the company disclosed that it intends to expand some operations throughout the U.S. OPEN stock is climbing. See the real-time price action here. (Vague) ExpansionIn an SEC filing, Opendoor made a vague statement that it is planning to offer its services—such as buying homes for cash, providing enhanced "Cash Plus" selling options or working with partner real estate agents to list homes—across the entire U.S. in the "coming weeks." No further ...