On February 1, 2026, major U.S. stock indices showed mixed results: the S&P 500 Index was down 0.11%, while the Dow Jones Industrials Index was up 0.69%. The Nasdaq 100 Index fell 1.05%, marking a two-week low, primarily due to a sell-off in chipmakers and AI-infrastructure stocks. Super Micro Computer surged over 13% after an optimistic sales forecast, whereas Advanced Micro Devices saw a decline of over 15% due to a weak sales outlook.
In economic news, the ADP employment report showed an increase of 22,000 jobs in January, falling short of expectations of 45,000. The ISM services index remained unchanged at 53.8, surpassing projections of a decline. Treasury officials announced a quarterly refunding of $125 billion in T-notes and T-bonds, aligning with expectations. Meanwhile, MBA mortgage applications dropped by 8.9% for the week ending January 30, signaling a decrease in housing market activity.
This week, 150 S&P 500 companies are set to report earnings, with 80% of the 195 firms that have reported so far beating forecasts. S&P earnings growth for Q4 is projected at 8.4%, indicating continued profitability trends in the market.
