The FTSE 100 index experienced a notable increase of 1.14% today, reflecting a positive trend over the past week with a rise of 0.99% and a substantial gain of 3.43% over the last 30 days. This upward momentum highlights a resilient market environment, despite the mixed performance of individual stocks. In the large-cap segment, Antofagasta Plc emerged as the top performer with a return of 6.09%, while St. James's Place Plc faced challenges, recording a decline of 13.39%. The mid-cap sector saw B&M European Value Retail SA leading with a return of 5.49%, contrasted by AJ Bell Plc, which fell by 7.99%. Among small-cap stocks, Crest Nicholson Holdings Plc stood out with an impressive return of 11.42%, while Vp Plc struggled, declining by 11.55%. Overall, the market's advance-decline ratio indicates that 191 stocks advanced compared to 231 that declined, resulting in a ratio of 0.83x. Notably, large-cap stocks showed a healthier ratio of 1.71x, with 36 advancing and 21 declining, while mid-cap and small-cap stocks faced more challenges with ratios of 0.94x and 0.66x, respectively.