The FTSE 100 index experienced a modest increase of 0.02% today, reflecting a positive trend over the past week with a gain of 1.62%. Over the last 30 days, the index has also risen by 0.42%. In the large-cap segment, Centrica Plc emerged as the top performer, achieving a return of 2.83%, while Imperial Brands Plc lagged behind with a decline of 2.35%. The mid-cap sector saw Pennon Group Plc leading with a return of 4.45%, contrasting with The UNITE Group Plc, which fell by 3.48%. Small-cap stocks displayed significant volatility, with Anglo Asian Mining Plc soaring by 16.88%, while Rank Group Plc faced a downturn of 9.32%. Overall, the market showed a strong advance-decline ratio of 303 advancing stocks to 121 declining stocks, translating to a ratio of 2.5x. This trend was particularly pronounced in the small-cap sector, where 179 stocks advanced against 54 that declined, resulting in a ratio of 3.31x. The mid-cap sector also performed well, with 51 advancing stocks compared to 17 declining, yielding a ratio of 3.0x.