The Dow Jones Industrial Average, S&P 500 fell, and Nasdaq Composite fell on Friday.

• The Dow Jones Industrial Average fell 157.51 points, or 0.60 percent, to close at 26,501.60.
• The S&P 500 fell 1.20 percent to close at 3,269.96.
• The Nasdaq Composite fell 2.5 percent to close at 10,911.59.

Major indexes posted their biggest weekly losses since March. The Dow fell 6.5 percent, the S&P 500 fell 5.6 percent, and the Nasdaq fell 5 percent this week.

“Massive policy stimulus, positive medical developments and high hopes for a return to pre-pandemic economic activity levels have provided a solid boost to equity markets,” strategists at MRB Partners wrote in a note. “However, mounting new economic restrictions, particularly in Europe, despite being forecastable and in lagged response to the re-acceleration in COVID-19 infections, only caught investors’ attention this week, triggering sharp losses.”