U.S. stocks closed with minor changes on Monday as investors absorbed the auction for the sale of "First Republic Bank" over the weekend and anticipated another expected interest rate hike from the Federal Reserve this week. The S&P 500 index closed down 2.15 points, or 0.05%, at 4167.33 points, while the Nasdaq Composite dropped 14.83 points, or 0.12%, to 12211.75 points, and the Dow Jones Industrial Average fell 50.42 points, or 0.15%, to 34047.74 points.