You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

Stella Osoba is the Senior Editor of trading and investing at Investopedia. She co-founded and chaired Women in Technical Analysis. She has 15+ years of experience as a financial writer and technical ...

Investors who read stock charts can use moving averages, price action and volume signals to sell stocks. Add to that toolbox a simple straight line. If a stock breaks its long-term price trend, that's ...

Nicole White is a member of the Statistical Society of Australia. Whether it’s for a work meeting or a class assignment, presenting data to others is a common task on our to-do list. We use data to ...