Stock bar public opinion and stock price synchronicity

The stock bar has emerged as a platform for small and medium investors to voice their opinions, which can play supervisory role of social network. Using the data listed companies from 2008 2021, this paper studies impact public opinion on price synchronism. We find that an inhibitory effect synchronicity, conclusion is still valid after series robustness tests. This more obvious in with integrated ownership, smaller investment weight institutional fewer analyst trail numbers. mechanism analysis shows will weaken abnormal trading. Our research supports idea enhance corporate governance, ultimately leading reduction synchronicity. These outcomes are significant importance terms increasing investor awareness expanding range influences