BUZZ-Alent: China clears co's acquisition by Platform Specialty
** Shares (Berlin: DI6.BE - news) in chemical maker Alent (LSE: ALNT.L - news) see heavy volumes, with more than 2.5x their 30-day avg gone through, after China clears acquisition of co by Platform Specialty Products
** Stock now 6th most traded on FTSE 250, and easily most traded of London's chemicals companies
** All necessary antitrust clearances have now been obtained, co says
** Co's shares now trading at 500p, marginally below offer price of 503p (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)