Changxin Technology Added to the SSE Composite Index, Becomes Largest-Weight Constituent

Changxin Technology holds the largest weighting—4.67%—among constituents of the SSE Composite Index, followed by Agricultural Bank of China (3.83%) and Industrial and Commercial Bank of China (3.77%), according to the official website of China Securities Index Co., Ltd. Meanwhile, Changxin Technology has also been included in the SSE STAR Market Composite Index, where it carries a weight of 15.74%, making it the index’s top-weighted constituent. Per the index methodology, weight factor adjustments take effect on the first trading day following the second Friday of each month—or immediately, if a newly added constituent’s weight exceeds 15%.