Key Takeaways:1. Fundamental and Valuations of Six Giants Companies2. Business and Expectations of Each Company.TIANFENG securities, an investment research institution, sorted out the PE giants tech companies in the United States and received the following acknowledge:From a fundamental point of view: in Q1 2022, the growth resilience of technology giants has been continuously tested under the adverse wind of rising inflation, lower consumer demand and tight supply chain.In the long run, the headwind test is more reflected in:1) Enterprise operation efficiency and capital operation efficiency;2) Industrial chain status and bargaining power;3) The mental status of consumers and the ability to maintain market share.Specifically, the Q1 data of