Goldman Sachs: The S&P 500 is unlikely to continue rising this year. David Kostin, chief US stock strategist at Goldman Sachs, stated on Tuesday that the S&P 500 index is unlikely to continue rising from now until the end of this year. In his latest interview, Costing reiterated his goal for the S&P 500 index to reach 5200 points by the end of this year, while noting that he believes "the return rate will remain roughly unchanged from now until the end of this year.". This prediction is slightly lower than the current level of this benchmark index.