Abbreviations of the vocabulary of the stock market of the United States of America (based on the shares S&P 500)

The article deals with the analysis and classification of the abbreviation of the stock market of the United States of America based on the material of the tickers of the company included in the list of the index S&P 500, that covers the shares of 505 companies. The abbreviations of the vocabulary of the stock market are the example of the linguistic economical efficiency aimed at the raise of the efficiency of the professional communication.