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The pressure level is around 2300;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.Market index:

Resume chat:The strong pressure is around 3480;Warning: weak water is 3 thousand, just take a ladle to drink! Stocks must be concentrated.

Science and technology-new quality generation, new energy, military industry, special evaluation, big finance, medicine and medical care, should be good.Preface:So as long as the stock price in your hand is not lower than the third line, don't sell it. Basically, after a bull market, you can never sell it. If you can't resist the temptation, buy and sell. That's hard to say.