What can stop the rally? By: CNBC.com News November 11, 2014 at 10:11 AM EST The S&P 500 has closed at a record high 39 times this year, despite concern over Ebola and conflict in Iraq and Ukraine. Read More >> Related Stocks: CBOE Global Markets Inc D.R.Horton S&P Homebuilders SPDR Sentinelone Inc Cl A Taylor Morrison Home Corp Toll Brothers Inc