The Dow Jones Industrial Average opened 441.42 points higher, or 0.86%, at 51,933.97 on Thursday, June 18. The S&P 500 opened 86.10 points higher, or 1.16%, at 7,506.20 on Thursday, June 18. The Nasdaq Composite opened 374.31 points higher, or 1.44%, at 26,395.96 on Thursday, June 18.