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The three major A-share indices continued to decline in the afternoon, with the Shanghai Composite Index falling more than 1%
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Author：小编
On May 21, 2026, the three major A-share indices declined, with the Shanghai Composite Index falling more than 1%. Memory chips, photolithography equipment, and optical fiber concepts led the decline, with over 4,200 stocks falling across the Shanghai, Shenzhen, and Beijing markets.
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