The FTSE 100 index experienced a decline of 0.24% today, marking a significant drop of 3.99% over the past five days and a steep 7.4% decrease in the last 30 days. This downward trend reflects broader market challenges, with a total of 252 stocks declining compared to 170 advancing, resulting in an overall advance-decline ratio of 0.67. In the large-cap segment, Antofagasta Plc emerged as the top performer, achieving a return of 7.32%, while BT Group Plc struggled, posting a return of -5.93%. Mid-cap stocks saw Entain Plc leading with an 8.24% return, contrasted by Harbour Energy Plc, which fell by 6.48%. Among small-cap stocks, Kenmare Resources Plc stood out with a remarkable return of 13.52%, whereas Goodwin Plc faced a significant decline of 47.82%. The advance-decline ratios varied across market caps, with large caps at 0.65, mid caps slightly above parity at 1.06, and small caps at 0.67. This data underscores the mixed performance across different segments of the market, highlighting both opportunities and challenges for investors.