Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to track stocks [title] Determine the ticker symbol for the stock you want to track. [step] The ticker symbol will be a combination of up to five letters, often abbreviating or suggesting the name of the company or one of its products. This is how the stock is identified on stock charts and tickers.

Ending1: [substeps] A ba stands for stockbroker. A p stands for large, used, and insured company. Ending2: For example, the symbol for apple is aapl. [substeps] For help determining a stock to track, see how to choose stocks. Ending3: [substeps] The ticker symbol is shaped like a subcolon, with the ends separated with a line under it. The lower curve forms the short, diagonal line that represents the stock's status. Ending4: [substeps] For example, assume you have a stock called macl. The name macl appears underneath the stock's name, which stands for " stock.

Answer format: ending1/ending2/ending3/ending4