The S&P/TSX 60 index experienced a modest increase of 0.13% today, reflecting a notable rise of 2.21% over the past 30 days. In the large-cap segment, Celestica, Inc. emerged as the top performer with a return of 3.8%, while Thomson Reuters Corp. lagged behind, recording a decline of 3.33%. In the mid-cap category, Whitecap Resources, Inc. led the way with a return of 3.09%, whereas Saputo, Inc. faced challenges, posting a decline of 3.64%. The small-cap sector saw significant movement, with kneat.com, Inc. achieving an impressive return of 18.63%, contrasting sharply with Orca Energy Group, Inc., which fell by 9.2%. Overall, the advance-decline ratio across the market showed 336 stocks advancing compared to 293 declining, resulting in a ratio of 1.15x. However, large-cap stocks struggled, with 24 advancing and 28 declining, yielding a ratio of 0.86x. Mid-cap stocks also faced headwinds, with 28 advancing and 36 declining, resulting in a ratio of 0.78x. In contrast, small-cap stocks thrived, with 175 advancing against 116 declining, achieving a robust ratio of 1.51x.