Stock + Pro 3 has a customizable news feed that you can view and edit to stay up-to-date on recent announcements.
To see the news, open the main window.
Select a watchlist from the sidebar.
Select the stock or mutual fund that you are interested in.
On the right hand side of the window will be the inspector pane. If the inspector pane is not visible, you can open it by pressing Cmd + I or the 'i' button in the upper right corner of the window.