Mutual fund share classes vary by when and how fees ... which explains why certain share classes are limited to company insiders. Of course, stock characteristics can also vary a bit depending ...

Index funds stay the course and can hold onto laggards that an actively managed mutual fund ... the market. These funds can also have goals that go beyond mirroring a popular stock market index.

Investing in mutual funds is popular in part because they're a relatively hands-off way to invest in many different assets at once — within a single mutual fund ... from the stock market's ...