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"The Reuters Financial Glossary has been developed to give quick access to definitions of terms and concepts used in the foreign exchange, money, equity, commodity and debt markets. Terms used in technical analysis and macro-economics are also included. It is fully cross-referenced and many terms have links to other websites that give additional information."
Website for the PCAOB which "is a nonprofit corporation established by Congress to oversee the audits of public companies in order to protect investors and the public interest by promoting informative, accurate, and independent audit reports."