Internet reported that U.S. stocks maintained their decline at noon on Thursday, with the Dow falling more than 1300 points, the Nasdaq falling nearly 5%, and the S & P 500 index falling into correction territory. U.S. President Trump has announced an additional "reciprocal tariff" of 10% to 49% on almost all countries, a move that could trigger a global trade war and severely damage the already weak U.S. economy. Initial claims for unemployment benefits in the United States fell unexpectedly last week. Trump tariffs and OPEC+'s plan to increase production have plunged oil prices. The Dow fell 1,309.80 points, or 3.10% to 40,915.52 points; the Nasdaq fell 861.38 points, or 4.89% to 16,739.67 points; the S & P 500 Index fell 214.50 points, or 3.78%, to 5,456.47 points.