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Then we will calculate the increase of Shanghai Stock Exchange today:Then we will calculate the increase of Shanghai Stock Exchange today:

Up 3% is 3509.

I don't guess today, everyone can guess, because no matter which pressure it is, it will be reasonable.Through the above data, the corresponding increase of A50 is under the third pressure of 3566. That is, it oscillates between the second pressure zone 3481 and the third pressure zone 3566!Up 7% is 3640! (corresponding to the fourth pressure)