Shares of digital real estate stock Opendoor Technologies (OPEN -0.85%) dropped 23% in January according to data provided by S&P Global Market Intelligence. There wasn't any significant news, but there was plenty of pessimism about the real estate industry.A better way to buy and sell homesOpendoor operates an iBuying platform connecting buyers and sellers. It makes quick offers on homes without the need for staging and open houses, which benefits sellers, and it makes the necessary home improvements to hav ...