The trend of research and development trend has been dramatically upward over the last few decades. Companies, particularly from the technological sectors, invest huge amount of resources on R&D. It is seen as a key competition factor in the sector. In this project it has three big companies which are Apple and Microsoft, Huawei companies. This project’s aim is comparison between stock price and research and development costs, the method of this project is secondary data in 2011-2021 years then calculation descriptive statistic and regression analysis and correlation and coefficient among those three companies. The result shows Apple and Microsoft Company is higher in stock price and research & development than Huawei Company and significant, and Huawei Company is less than the Apple and Microsoft and Non-significant
