Resume chat:If you open lower, choose the opportunity to be bold and low-sucking, and after pulling up, throw it high to make a positive T.The support level is around 3400.
Resume chat:Near the strong support level 2230,Market index:
Science and technology-new quality generation, new energy, military industry, special evaluation, big finance, medicine and medical care, should be good.Near the strong support level 2230,Author's statement: Personal opinion, for reference only.