Update multiple Links

I have an Excel Application that contains multiple columns
of 15 cells vertically all these cells are linked and need
to be updated every month to a new data feed. The
field/cell names are the same every time. However, I need
to do an update to all the linked fields/cells so that the
data from the new data source gets reflected.

Is there a way to update all the linked fields/cells in
one fell swoop? Any suggestions will be welcome.

Thanks