Stocks fell after weaker-than-expected economic statistics fuelled concerns about the prospects for corporate America, amid a spike in consumers' long-term inflation expectations to the highest level since 1995.Investors were uneasy about Friday's data on consumer mood, housing, and services, despite the fact that the Federal Reserve is not in a hurry to decrease interest rates. The S&P 500 fell more than 1.5%, while bonds rose. A total of $2.7 trillion in options connected to equities and ETFs were set to expire. This typically accentuates price movements. COVID-19 vaccine producers rallied as traders published prior information about a new coronavirus research in China, adding to the volatility.The S&P 500 dropped 1.7%. The Nasdaq 100 declined 2.1%. The Dow Jones Industrial Average fell 1.7%, followed by a slump in UnitedHealth. The Dow Transportation Index declined 2.6%. The Russell 2000 fell 2.9%. A gauge of the Magnificent Seven megacaps fell 2.5%.A late rebound in the Treasury market sent the 10-Yr note yield lower for the sixth week in a row, as traders seek shelter despite falling stock and oil prices. The yield on 10-year notes declined by eight basis points, to 4.43%. The dollar index increased 0.2%.