Whatever the scenario, stocks have historically seen the strongest stretch during the four-year presidential cycle for the fourth quarter and year after mid-term elections. And to benefit from this trend, investors could easily tap the $S&P 500 Index (.SPX.US)$ with the help of leveraged ETFs. These include $Proshares Ultra S&P500 (SSO.US)$ , $Direxion Daily S&P 500 Bull 2X Shares (SPUU.US)$ , $Direxion Daily S&P 500 Bull 3X Shares ETF (SPXL.US)$ and $ProShares UltraPro S&P500 ETF (UPRO.US)$