市盈率和市净率，能证伪上市公司的投资价值吗？

Core Viewpoint - The article emphasizes the importance of investing in blue-chip stocks with solid performance, highlighting that a significant drop in stock price when earnings do not meet expectations can present a buying opportunity for investors [1] Group 1: Investment Metrics - Price-to-Earnings (PE) ratio is defined as the ratio of a company's stock price to its earnings per share over the past year, serving as a key indicator of investment value; a lower PE ratio suggests a shorter payback period and lower investment risk, indicating higher investment value [1] - Price-to-Book (PB) ratio is the ratio of stock price to net asset value per share, where a lower PB ratio indicates lower risk; the net asset value is influenced by the company's operational performance, with better performance leading to higher asset appreciation and shareholder equity [1]