S&P 500 Sectors Face Broad Declines Amid Trade War Concerns The S&P 500 saw a widespread downturn as all 11 sectors declined, driven by fears of escalating trade tensions. Financial stocks suffered the most, dropping 3.8%, led by Citigroup and KKR. In contrast, the Consumer Staples sector showed resilience, buoyed by Walgreens' 6.3% surge on privatization reports.123