â I nsider tradingâ refers to transactions in a companyâs securities, such as stocks or options, by corporate insiders or their associates based on information originating within the firm that would, once publicly disclosed, affect the prices of such securities.
A: A management letter is an auditor's letter addressed to the client, according to Allbusiness.com. It is a letter written by company management that confirms the accuracy of an audit. An audit is an examination and verification of a company's financial and accounting records and supporting documents presented by a professional, such as a certified public accountant.
A letter of credit is a formal document, which a bank issues on behalf of the buyer to the seller. The document states that the bank will honour the drafts drawn on the buyer, for the goods supplied to him, provided the conditions written on the document are satisfied by the supplier (seller).