Sold investments are missing from my portfolio

When you sell investments from your portfolio, the information about that investment may no longer be displayed in the Microsoft Money portfolio.

This is because there is an option to choose whether to display closed positions or not. This option, if not checked, will remove sold investments where there is a zero holding left.

The option to show or not show such positions can be found on the left hand side of the portfolio, under 'Change Portfolio View' -> 'Show Closed Positions' (this is at the bottom of the menu).