The most the futures were ever up overnight was 5.25 points, where anyone got those other numbers is beyond me. 1008.50 was the high, close was 1003.25 in the ESZ08 according to my data. That swing yesterday was no more related to who won than what happens today. Large institutions who are the driving force behind market moves do not move in and out of the markets that way.
There are strong seasonal biases for the first 1 to 2 trading days almost every month due to managers getting fund inflows from retirement accounts that they have to put the money to work on the long side of the market with. This is especially true now that they have essentially taken the short side of individual stocks off the table. Having a 3 days plus the day of entry limit makes trying to short individual stocks a tough prospect other than as a day trade.