Empirical analysis on anti-risk of the communication services industry in China based on PCA model

Aiming at the connotation of anti-risk capability of the listed companies in communication services industry of china, this paper constructs anti-risk capability evaluation index system of the listed companies in communication services industry including five factors: profitability, ability to obtain cash, solvency, operation ability, development ability, and adopts evaluation method by entropy method to make an empirical analysis on the anti-risk capability with the 7 listed companies in communication services industry.