The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…

The S&P500 has had an incredible decade of gains, but can the momentum be derailed? | Source:: AP Photo/Richard Drew, File The S&P 500 (SPX) is just three months away from closing the book on…