“…Stock price synchronicity reflects the explanatory degree of listed corporate characteristic information on stock returns, which is a widely used measure the pricing efficiency of capital market [ [83] , [84] , [85] ]. The lower the stock price synchronicity, the higher the pricing efficiency [ 83 ]; The higher the stock price synchronicity, the less heterogeneous information of enterprises is reflected, resulting in synchronization between stock prices and market fluctuations, reducing the pricing efficiency, and leading to low the efficiency of resource allocation.…”