NEW YORK, NY — (Marketwire) — 08/08/11 — Alto Group Holdings, Inc. (OTCBB: ALTO) ("Alto Group" or the "Company"), an innovative mining and commodities trade company headquartered in New York, announces the company has expanded the excelsior mining project.The company has recently expanded the Excelsior project by staking an additional 30 claims within the project which now brings the total amount of mineral claims owned to 60 overall. This increase has been completed to
