S&P 500 to 2,150 in 2015: Goldman's David Kostin By: CNBC.com News September 16, 2014 at 10:25 AM EDT The S&P 500 will rise by 8 percent in the next 12 months, and here's how to play it, says Goldman Sachs' David Kostin. Read More >> Related Stocks: Delta Air Lines Discover Financial Services Goldman Sachs Group Halliburton Co Netflix Paychex Sentinelone Inc Cl A