Tongfang and Ziguang are two different companies with different businesses, products, markets and competitors. According to relevant public information, both of them belong to the technology industry, but the rise and fall of their share prices will be affected by internal and external factors of the company, and these factors may also have different effects on the two companies, resulting in a big difference in their share prices. In addition, the trading sentiment and market expectations of investors and the market will also have a certain impact on stock price fluctuations.