The Shenzhen Stock Exchange (SZSE) said in a regulatory update that between Oct.
23–29, 2026 it issued 11 inquiry letters and 46 other letters. Between Oct.
26–30, 2026 the exchange took self-regulatory measures in 113 abnormal trading
cases involving intraday pump‑and‑dump activity and false orders, and opened
probes into four listed‑company material events.