The FTSE 100 index experienced a notable decline today, falling by 1.44%. Over the past week, the index has dropped 3.34%, and it has seen a significant decrease of 7.19% over the last 30 days. This downward trend reflects broader market challenges, with a total of 314 stocks declining compared to just 97 advancing, resulting in an overall advance-decline ratio of 0.31. In the large-cap segment, International Consolidated Airlines Group SA emerged as the best performer with a return of 0.96%, while Smiths Group Plc struggled, recording a loss of 9.87%. Mid-cap stocks saw Jet2 Plc leading with a return of 1.81%, contrasted by Harbour Energy Plc, which fell by 5.14%. Among small-cap stocks, Spire Healthcare Group Plc stood out with a gain of 6.74%, while JD Wetherspoon Plc faced the steepest decline at 10.55%. The advance-decline ratios varied across market caps, with large caps at 0.19, mid caps at 0.29, and small caps at 0.34, indicating a challenging environment for investors.