中國地震臺網正式測定：07月28日15時24分在青海海南州興海縣（北緯35.37度，東經99.57度）發生3.1級地震，震源深度10千米。

July 28 — Zhou Hongyi, founder of 360 Group, unveiled NanoWork, a next‑generation enterprise AI-agent work platform. 360 says the product targets company owners, entrepreneurs, one‑person companies (OPCs) and employees to build “super organizations.” The firm will allocate a 100 million‑token trial quota per initial user and says it will provide professional training and hands‑on support to help 1,000 small businesses deploy AI and lift operational efficiency.

科創50指數日內跌逾3%。