The Dow Jones Index opened up 148.80 points, or 0.33%, at 45030.93 points on January 31 (Friday);
The S&P 500 opened up 26.95 points, or 0.44%, at 6098.13 points on January 31 (Friday);
The Nasdaq Composite Index opened up 174.21 points, or 0.89%, at 19855.963 points on January 31 (Friday).