** Shares of Arcadium Lithium ALTM.N - created by a merger of U.S. lithium miner Livent and Australia's Allkem - were down ~59% at $6.71 on Thurs after announcing completion of the all-stock deal
** ALTM, previously the trading symbol for Livent, fell as low as $6.50, is on track for the biggest daily pct gain on record and lowest level since July 2020
** The combined company will be the third largest producer of Lithium, with about $1.9 billion in total revenue in 2022 and more than 2,600 employees, according to a company statement
** ALTM's footprint will extend across major Lithium producing regions in Australia, Argentina and Canada, and will operate across the supply chain from mining to delivering finished chemicals to electric vehicle battery makers
** ALTM says to have 1,074 million ordinary shares outstanding
(Reporting by Chibuike Oguh in New York)
((Chibuike.Oguh@thomsonreuters.com; +332-219-1834; Reuters Messaging: chibuike.oguh.thomsonreuters.com@reuters.))