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$ Shanghai Composite Index (SH000001)$$ Shanghai Composite Index (SH000001)$$ SZ399001)$

$ Shanghai Composite Index (SH000001)$$ SZ399001)$First, I know that an insurance company has set up a new social insurance joint fund, which has just entered the market, but you can't do this, can you?

Third, on the other hand, Christie's technology has great bargain-hunting value, right?First, I know that an insurance company has set up a new social insurance joint fund, which has just entered the market, but you can't do this, can you?Jiashi Technology: