How much more can the U.S. stock market rise this year? Wall Street's highest projection is up to 6100 points.

As the third quarter comes to an end, investors are now looking ahead to the outlook for the fourth quarter of the US stock market and the movement of the benchmark S&P 500 index by the end of this year. There are various opinions in the market, and some of Wall Street's most famous sell-side institutions have also given their views, with year-end target points for the S&P 500 index ranging from as low as 4200 to as high as 6100. As of Monday's close, the S&P 500 index closed at 5718.57, with a year-to-date increase of nearly 20%, currently hovering near its all-time high. The following outlines the year-end target predictions of some of Wall Street's most popular sell-side institutions: BMO Capital: 6100 Evercore ISI: 6000 Oppenheimer Asset Management: 5900 Deutsche Bank: 5750 RBC: 5700 UBS: 5650 UBS: 5600 Barclays Bank: 5600 Goldman Sachs: 5600 Citigroup: 5600 Wells Fargo: 5535 Industrial Bank of France: 5500 Bank of America: 5400 HSBC: 5400 Fundstrat Global Advisors: 5200 Cantor Fitzgerald: 5000 JPMorgan Chase: 4200