If you were one of the clients I’ve told about one of my favorite LinkedIn tools, called “Signal”, I hate to let you know that LinkedIn has done away with this awesome tool.
Here is the link to the actual message: http://help.linkedin.com/app/answers/detail/a_id/5028
At this point, I haven’t found another good way to really use the home page status time information in the same way you could do here with Signal. The only other option I can see is to scroll down (for a very long time) so you can access to a lot of the status updates, and then use Control+F to do a screen search for what you are looking for. It won’t work as well, but it is at least something