Opendoor Technologies Inc (OPEN) stock has experienced a significant surge, with a 43.40% increase in pre-market trading on Monday and a total surge of 188% over the past week. The stock's remarkable upward trajectory has attracted retail investors, despite the disconnect between the stock price and the company's fundamentals. The surge was not accompanied by any specific positive news, highlighting the speculative nature of meme stocks like Opendoor. Additionally, the company's stock price increase was driven by a strategic partnership agreement with a major real estate investment company.