Why do some stock quotes appear in bold print in the newspaper?

When it comes to keeping track of a stock's movements, many investors still look up the latest data in the local newspaper. Some of the most important data found in these stock tables includes a company's name, ticker symbol, weekly highs and lows, volume, previous high, low, close and the net change from the previous day.

If you peruse the stock quotes, you'll quickly notice that some information is underlined or printed in bold font. Bold font is used to distinguish the companies whose stock prices have changed by more than 5%. These companies are generally the most actively traded on the various exchanges - many active traders focus on these stocks. Other companies that are of interest to active traders are the ones that trade on or above average daily volume. High volume could suggest that interest is growing in a particular company and that influential parties may be entering or exiting their positions. Stocks that have traded at more than 500% of their 60-day average daily volumes are often underlined to make the data stand out. Some newspapers may use other conventions to label these price and volume characteristics in particular stocks. They may also use different criteria than what we've used here to determine which stocks are put in bold-type or are underlined. To be sure, you should read the legend that is printed at the beginning of the quotes page to see how your local newspaper uses bold and underlined print in its stock tables.

For more on this subject, see the Reading Financial Tables tutorial.

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