Opendoor (NASDAQ: OPEN), the largest instant home-buyer (iBuyer) in America, saw its stock close at a record high of $35.88 per share on Feb. 11, 2021. Today, it trades at just $5 with a market cap of $4.65 billion -- which values it at less than one times this year's sales. Let's see why its stock is trading at bargain-basement valuations -- and if it's worth buying right now. Why did Opendoor's stock drop? Opendoor uses its AI algorithms to make instant cash offers for homes. It fixes them up and relis ...