Record gold prices helped sales surge at Spectrum Group International Inc., which debuted at No. 5 on the Business Journal’s 2010 list of the fastest-growing public companies. Spectrum, which ...

Spectrum Group Management LLC, an opportunistic alternative investment firm focused in the distressed, special situations and asset based credit markets, announced the appointment of Dee Trussell as ...

Spectrum Group International Inc. said it plans to delist its shares from national securities exchanges and spin off a subsidiary. The Irvine-based trader of precious metal products and an auctioneer ...

A-Mark Precious Metals, Inc. announced significant expansions in the collectible coin market through three major acquisitions. On February 28, 2025, A-Mark completed its acquisition of Spectrum Group ...

IRVINE, Calif.--(BUSINESS WIRE)--Spectrum Group International, Inc. (SPGZ) (the “Company”) announced today that through its subsidiaries Bowers & Merena Auctions, LLC and Stack’s-Bowers Numismatics, ...

COSTA MESA, Calif., May 16, 2024 (GLOBE NEWSWIRE) -- Spectrum Group International, Inc. (SPGZ) (“SGI” or the “Company”), an integrated network of leading companies concentrating on numismatics (coins) ...