Why Is Opendoor Technologies Stock (OPEN) Jumping Today?

Shares of Opendoor Technologies (OPEN 10.37%) are soaring on Wednesday, up 6.5% as of 2:58 p.m. ET. The jump comes as the S&P 500 (^GSPC -0.28%) lost 0.6% and the Nasdaq Composite (^IXIC -0.32%) lost 0.9%. A regulatory filing from the company, as well as the Federal Reserve's rate cut confirmation, is sending Opendoor stock flying. Opendoor is expanding its reach The company filed an 8-K disclosure with the SEC, revealing that it "intends to expand its product offerings to allow [Opendoor] to provide services through the entire continental United States in the coming weeks, through one or more of its direct cash offer, cash plus, or working with its partner agents to provide listing services." The revelation that the company is officially expanding to the entire U.S. market is fueling investor enthusiasm. Image source: Getty Images Powell confirms rate cut is here Federal Reserve chairman Jerome Powell confirmed today that the central bank will cut the federal funds rate by 0.25%. Rate cuts generally boost equities across the board, but as a real estate company, Opendoor's bottom line is directly impacted by interest rates. Lowered rates will help improve the company's margins. Opendoor still has to prove its business model can work While the digital real estate disruptor operates in a market with genuine potential for innovation, the economics of its model remain unproven. The company is operating at a loss and relies heavily on debt, making it sensitive to interest rates, and the real estate market doesn't look particularly strong. I would avoid Opendoor stock.