changing currency in us Knowledge graph

The support level is around 2250.Growth enterprise market index:Tomorrow's index trend forecast:

Growth enterprise market index:Warning: weak water is 3 thousand, just take a ladle to drink! Stocks must be concentrated.Near the strong support level 2230,

I saw the news that a high-rise building caught fire this afternoon. This is a warning to everyone. How can this happen? Don't they all have anti-leakage alarm devices now? You can check the listed companies that do testing instruments, and their demand will also rise in the future. Market share is also increasing. The performance will be guaranteed.Preface:The strong pressure is around 2350;