The three major US stock indexes closed with mixed gains and losses, with the Dow Jones up 0.35% and standing above 40000 points, with a cumulative increase of 1.24% this week; The Nasdaq fell 0.07%, with a cumulative increase of 2.11% this week; The S&P 500 index rose 0.12%, with a cumulative increase of 1.54% this week. Most popular Chinese concept stocks rose, with the Nasdaq China Golden Dragon Index rising 0.38% and a cumulative increase of 6.53% this week.