[Shanghai Stock Exchange Index, Science and Technology Innovation Composite Index and other proposed revisions will be implemented tomorrow] On October 25th, the Shanghai Stock Exchange website released the "Announcement on Revising the Compilation Plan of the Shanghai Stock Exchange Series Comprehensive Index" on September 24th. The proposed revised indexes include the Shanghai Stock Exchange Index, the Shanghai Stock Exchange A-Share Index, the Shanghai Stock Exchange Circulation Index, and the Science and Technology Innovation Composite Index. The revision of the preparation plan of the above-mentioned indexes and derivative indexes will be implemented on October 26, 2026. According to the "Announcement", the Shanghai Stock Exchange and China Securities Index Co., Ltd. decided to revise part of the Shanghai Composite Series Comprehensive Index Compilation Plan. The revisions include: (1) increasing the weight upper limit rule that the weight of a single sample does not exceed 15%; (2) adjusting the elimination time of risk warning securities from "the next trading day on the second Friday of the month following the risk warning implementation date" to "the next trading day on the second Friday of the month following the risk warning announcement date." The remainder of the indexing program remains unchanged.