David Kostin is the chief anaylst for Goldman
Oct 10 :
In this video clip, he changed his view quite bit ..
he predicted spx will have no more room to go on upside and 2400 is the level by end of year ..
Aug 20 on CNBC, he predicted the spx will be under 2400 by end of this year
Last year, he even predicted spx would be around 2100 by end of year(2016)
Do remember, he is the top analyst from a TOP investment bank in the wall street.