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Strong support level around 3380Science and technology-new quality generation, new energy, military industry, special evaluation, big finance, medicine and medical care, should be good.Today's disk is generally going well, with 3,900 rising by the close and 1,400 gaining momentum. Nearly 200 companies have daily limit, and the volume of contraction has reached 1.8 trillion, which is still good. It can be said that it is a full house. Today is another happy day for everyone. Many people were bearish at the close yesterday, and now it is estimated that they are patting their thighs again. The market is always uncertain. Don't get carried away just because your luck is right once. It's time to learn to fear Mr. Market.

Preface:Warning: weak water is 3 thousand, just take a ladle to drink! Stocks must be concentrated.Re-offer on the same day:

3. Investment is to make life happier and happier. If investment makes you unhappy at all, please leave this market immediately regardless of profit or loss!The strong pressure is around 3480;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.