Historical data shows that when the S & P 500 index (SPX) is higher in the three months leading up to an election, the incumbent party candidate has an 80% chance of winning. Conversely, when the S & P 500 index is lower in the three months leading up to an election, the other party candidate has an 89% chance of winning. It is reported that this is a very accurate signal in every election since 1928. Commentators say that if the S & P 500 index does not erase 8% of the total value since August ...