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Group 1 - Moody's downgraded the U.S. sovereign credit rating from "Aaa" to "Aa1" due to concerns over the growing $36 trillion debt, becoming the last of the three major credit rating agencies to do so [3] - The downgrade has raised concerns in the market, with analysts noting that it has brought many existing worries back into focus [3] - Major banks, including Bank of America and JPMorgan, saw their deposit ratings downgraded by Moody's, citing the weakened government support for these banks following the sovereign rating downgrade [4] Group 2 - The Dow Jones Industrial Average rose by 137.33 points, or 0.32%, closing at 42,792.07 points, while the Nasdaq and S&P 500 saw minor increases [2] - Long-term U.S. Treasury yields fluctuated, with the 10-year yield reaching a high of 4.52% before settling at 4.47% [4] - Notable stock movements included a 1% increase in Microsoft shares, while Apple and Tesla saw declines of 1.1% and 2.2%, respectively [5]