Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a million rows. As a result, they can significantly slow your workbook's ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Michael Boyle is an experienced financial ...

JPMorgan Chase has reached a deal to take over Apple’s credit-card program from Goldman Sachs, further cementing its position as the dominant force in U.S. credit cards and bringing an end to ...