Stocks slumped at the open Monday as COVID-19 cases surged and talks on fiscal aid remained stalled. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +0.66% lost 294 points, 1%, to open near 28,042, while the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.74% dropped 32 points, 0.9%, near 3,433. The Nasdaq Composite /zigman2/quotes/210598365/realtime COMP +0.88% fell 0.9%, 101 points, and traded near 11,447. The U.S. recorded 83,757 new cases of COVID-19 on Friday, a new record high, even as Wall Street braces for the busiest week of corporate earnings of the quarter. On Monday, Hasbro Inc. /zigman2/quotes/201249319/composite HAS -0.28% shares fell 4% after the bell despite reporting strong Q3 earnings and forecasting a better Q4.