The U.S. credit rating was downgraded to Aa1 by Moody's, placing pressure on market sentiment, and consequently, the three major stock indexes opened collectively lower. The Dow Jones Industrial Average, Nasdaq, and S&P 500 all witnessed declines, with the Nasdaq dropping nearly 1%. Among the large technology stocks, there was a general downturn, with Tesla losing nearly 4% and companies such as Nvidia, Micron Technology, and TSMC experiencing declines of over 2%. Conversely, Novavax's share price soared by more than 20% following the FDA's conditional approval of its COVID-19 vaccine.
