US stocks weekly: Shaky
SPY•The S&P 500 fell 0.5% for a second straight weekly decline, while the Nasdaq Composite lost 0.7% and the Dow rose 0.4%. Energy and healthcare each gained 1.5%, while communication services fell 6.2%.
1. Major indexes diverge
The S&P 500 declined 0.5% in rocky trading, its second straight weekly loss. The Dow rose 0.4%, while the tech-heavy Nasdaq Composite lost 0.7%; a Nasdaq breadth measure neared prior washout lows as the index remained within reach of its highs.
2. Sector performance splits
Communication services fell 6.2%, with Netflix stumbling after weak fourth-quarter profit guidance and a lower 2026 advertising revenue forecast. Industrials lost 1.9% and technology slipped 0.3%; semiconductor stocks retreated 3.2% on Thursday as AI optimism faded. Healthcare and energy each rose 1.5%, while consumer staples, consumer discretionary and financials gained 0.5%, 0.5% and 0.7%, respectively.
3. Stocks and yields
The 10-year Treasury yield fell below 5% as concerns about the sustainability of the AI boom boosted demand for government debt. Tesla rose about 5% for the week despite falling on Thursday after cutting its 2026 capital expenditure forecast; oil prices surged on fears of a Saudi attack, and AAII pessimism climbed as investors grew more cautious.
