Market Performance - Stocks fluctuated on the first trading day of 2026, with the Nasdaq down 6.36 points to 23,235.63, the S&P 500 up 12.97 points to 6,858.47, and the Dow climbing 319.10 points to 48,382.39 [1] - For the holiday-interrupted week, the Nasdaq fell by 1.5%, the S&P 500 decreased by 1.0%, and the Dow slid by 0.7% [2] Sector Performance - Semiconductor stocks experienced a significant increase, with the Philadelphia Semiconductor Index surging by 4.0%, driven by Micron Technology, which rose by 10.5% to a record closing high [3] - Oil service stocks also showed strength, with the Philadelphia Oil Service Index increasing by 3.9% despite a modest decrease in crude oil prices [4] - Computer hardware, banking, and networking stocks had strong upward movements, while software stocks declined sharply [4] International Markets - Stock markets in the Asia-Pacific region mostly moved higher, with Hong Kong's Hang Seng Index up by 2.8% and South Korea's Kospi rising by 2.3% [4] - Major European markets also advanced, with the French CAC 40 Index up by 0.6%, and both the German DAX Index and the U.K.'s FTSE 100 Index rising by 0.2% [5] Economic Indicators - A lack of major U.S. economic data may have kept some traders on the sidelines ahead of key reports, including the monthly jobs report [3][5] - The yield on the benchmark ten-year treasury note increased by 2.4 basis points to 4.187% as treasuries extended their downward move [5]

Core Viewpoint - U.S. economic data, including PCE inflation, purchasing managers' surveys, and durable goods figures, will be closely monitored in the upcoming week [1] Economic Data - PCE inflation data will be a key focus for investors and analysts [1] - Purchasing managers' surveys are expected to provide insights into economic activity and business sentiment [1] - Durable goods figures will be analyzed to assess manufacturing health and consumer demand [1]