Market drop could give Trump a shot against Clinton

Republican candidate Donald Trump and Democratic candidate Hillary Clinton.
Scott Audette (L), Javier Galeano (R) | Reuters

Donald Trump is going to need more than just votes from the people on Wall Street. The biollionaire businessman may need them to sell stocks this fall.

The S&P 500's performance in the three months leading up to Election Day correctly forecast 19 of the past 22 presidential elections, according to Strategas Research Partners. A rising market almost always preceded a win by the incumbent party and vice versa.