Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

Our Big Story in blportfolio dated March 3, 2024, explained how statistical measures can be used to navigate the stock market and make informed investment decisions. Following up on that, of course, ...

An Excel pie chart displays categories of data as wedges in a circular graph. This format allows users to quickly see the contribution each category makes to the total figure and a correlation of ...