The Shanghai Composite gained 0.45% to close at 3,238, while the Shenzhen Component advanced 0.82% to 9,834 on Friday, extending their winning streak to a fourth straight session.
Optimism around potential state-backed equity purchases helped offset concerns about an intensifying Sino-U.S. trade war.
Beijing ramped up efforts to stabilize domestic markets this week, urging state-owned financial institutions to increase equity investments.
A flurry of share buyback announcements from listed companies also bolstered investor confidence.
Meanwhile, the Trump administration confirmed that cumulative U.S. tariffs on Chinese goods have climbed to 145%, prompting fears of further retaliation from Beijing, which has already imposed an 84% levy on U.S. imports.
Reports also suggest that China is preparing new countermeasures targeting American firms while strengthening trade relations with the EU. Growth-focused sectors such as technology and new energy led the day’s gains.
