1) Id for an investment 2) Market representative 3) Stock market 
A stock symbol or ticker symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock on a particular stock market. A stock symbol may consist of letters, numbers or a combination of both. `Ticker symbol` refers to the symbols that were printed on the ticker tape of a ticker tape machine. ==Interpreting the sy.....
A unique, letter-character code name assigned to securities and mutual funds. It is often used in newspapers and price-quotation services. This shorthand method of identification was originally developed in the nineteenth century by telegraph operators.
An abbreviation assigned to a security for trading purposes.
In the US, a set of characters, usually letters, used to identify a particular share on the Stock Exchange
Letters that identify a security for trading purposes. Trades are reported on the consolidated tape and on quote machines by the company's symbol. For example, MSFT is Microsoft's ticker. Also called a stock symbol.
Characters that identify a financial instrument on an exchange ticker. 
A three or four letter abbreviation used to identify a US security whether on the floor, a TV... <a target=_blank href='http://www.finance-glossary.com/terms/ticker-symbol.htm?id=2146&ginPtrCode=00000&PopupMode=false' title='Read full definition of ticker symbol'>more</a>