A decile, which has 10 categorical buckets, may be contrasted with percentiles that have 100, quartiles that have four, or quintiles that have five.

Limiting your selections to the funds in the lowest-cost decile or quartile will vastly increase your odds for long-term success.

The pandemic and rising interest rates have roiled markets in the past several years. Let’s take a closer look at funds that have lately been significantly riskier relative to Morningstar ...

The Laggards The next two funds began July as top-quintile year-to-date performers within the mid-blend category, only to plummet to the bottom decile by the end of September.

This means that about nine out of 10 people who were in the fifth quartile in 2021 remained in the fifth quartile the following year without a drop in the income bracket.