Influence of world markets

Should the overnight activity of the world markets in Europe and Asia be considered before the start of our trading day (Emini S&P Futures)??
We may encounter some of the scenarios enlisted below:
Europe is up and Asia is down......
Asia is up and Europe is down......
Both Europe and Asia are up.....
Both Europe and Asia are down....
Both Europe and Asia are mixed...
Europe is mixed Asia is up....
Europe is mixed Asia is down....
Asia is mixed and Europe is down.....
Asia is mixed and Europe is up...