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June 2 (Reuters) - CopperTech Metals on Tuesday filed to go public in the United States, joining a string of companies looking to tap the public markets.

Activity in the U.S. IPO market has rebounded with several big names such as Elon Musk's SpaceX and AI giant Anthropic looking to go public.

The copper producer aims to list its shares on the New York Stock Exchange under the ticker symbol "CUX". Citigroup, Cantor, BMO Capital Markets, RBC Capital Markets are among the underwriters of the offering.