U.S. stocks closed higher across the board; * Moody's downgraded the US credit rating to Aa1; * The consumer confidence index fell to its second lowest level on record. On Friday, all three major U.S. stock indexes closed higher, with the Dow Jones Industrial Average achieving a turnaround for the year and the S&P 500 recording its fifth consecutive day of gains. On the one hand, the market expects more clear signals from the global trade situation in the coming weeks, which will drive a market rebound; On the other hand, the University of Michigan's consumer confidence index fell short of expectations, narrowing the gains of major stock indices. At the close, the Dow Jones Industrial Average rose 331.99 points, or 0.78%, to close at 42,654.74. The Nasdaq rose 98.78 points, or 0.52%, to close...

