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 certified letter is one where the post office ensures that the letter is only delivered to the person it was addressed to, and records his signature. Anybody can send a certified letter to somebody, for a fee. Legal papers are usually sent in this manner. There should be a return address on the paper slip.