NEW YORK, NEW YORK - MARCH 08: People walk along Wall Street near the New York Stock Exchange (NYSE) on March 08, 2022 in New York City. The Dow was up slightly in morning trading as the Russian invasion of Ukraine continues to unsettle global markets. (Photo by Spencer Platt/Getty Images)

NEW YORK (AP) — Stocks fell in morning trading on Wall Street as markets turned cautious ahead of earnings releases from big U.S. companies starting this week and more reports that will show how badly inflation is hitting American businesses and households. The S&P 500 fell 1.3%, the Dow Jones Industrial Average fell 0.7% and the Nasdaq fell 2.2%. The yield on the 10-year Treasury fell significantly to 2.98%. Twitter sank 6.7% after Tesla CEO Elon Musk said he would abandon his deal to buy the company, while Twitter said it would sue the billionaire to enforce his commitment to the purchase.