The S&P/TSX 60 index experienced a modest increase of 0.09% today, continuing its upward trend with a notable rise of 1.83% over the past 30 days. In the large-cap sector, Cameco Corp. emerged as the top performer, delivering a return of 6.23%, while Alimentation Couche-Tard, Inc. lagged behind with a decline of 2.86%. In the mid-cap category, MDA Ltd. led the way with a return of 5.22%, contrasting with Aritzia, Inc., which saw a decrease of 6.21%. The small-cap segment showcased significant volatility, with Tethys Petroleum Ltd. achieving an impressive return of 33.33%, while Santacruz Silver Mining Ltd. faced a decline of 9.04%. Overall, the advance-decline ratio across the market indicated that 337 stocks advanced compared to 375 that declined, resulting in a ratio of 0.9x. The large-cap stocks had a slightly more balanced ratio of 0.93x, while mid-cap stocks showed strength with a ratio of 1.16x. Small-cap stocks, however, struggled with a ratio of 0.79x, reflecting the challenges faced in that segment.