Quantitative finance and markets
The Nasdaq loses 2.9% on Friday and 2% over the week
On Friday the S&P 500 fell 1.8% to 7,580.07 and the Nasdaq 2.9% to 25,437.00. Over the week the S&P 500 lost 0.6% and the Nasdaq 2%, while the Russell 2000 gained 1.3%.
Source published · In the Weekly Review of 1 November 2026
Filed under Markets
Friday’s falls followed Amazon’s results, which added to worries about AI spending. The S&P 500 fell 1.8% to 7,580.07, the Dow 1.1% to 51,770.31 and the Nasdaq 2.9% to 25,437.00. Treasury yields fell as investors looked for safety, even though oil prices rose.
Over the week the S&P 500 lost 0.6%, the Dow 0.9% and the Nasdaq 2%, while the Russell 2000 of smaller companies gained 1.3%. For the year the S&P 500 is up 10.7%.