CXMT overtakes ICBC to become top weight in Shanghai Composite Index

China's leading memory chipmaker ChangXin Memory Technologies (CXMT) has been officially included in the Shanghai Composite Index, overtaking ICBC to become the index’s highest-weighted constituent with a weight of 4.67 percent, according to China Securities Index Co. The stock also tops the STAR Market Composite Index with a 15.74 percent weight.

Oct 28, 2026 - 14:00
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CXMT overtakes ICBC to become top weight in Shanghai Composite Index
China's leading memory chipmaker ChangXin Memory Technologies (CXMT) has been officially included in the Shanghai Composite Index, overtaking ICBC to become the index’s highest-weighted constituent with a weight of 4.67 percent, according to China Securities Index Co. The stock also tops the STAR Market Composite Index with a 15.74 percent weight.

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