BRIEF-Shenzhen Exchange Filing Shows Block Trade Of Walvax Biotech's Shares Involving 863.6 Mln Yuan

Feb 14 (Reuters) - Shenzhen Stock Exchange:

* FILING SHOWS BLOCK TRADE OF WALVAX BIOTECHNOLOGY'S 30.4 MILLION SHARES INVOLVING 863.6 MILLION YUAN ON FEB 14 Source text in Chinese: https://bit.ly/3bBkqth Further company coverage: (Reporting by Hong Kong newsroom)