The S&P/TSX 60 index experienced a decline of 0.71% today, marking a 1.3% drop over the past five days. However, the index has shown resilience with a notable increase of 4.6% over the last 30 days. In the large-cap segment, Constellation Software, Inc. emerged as the top performer, delivering a return of 5.52%. Conversely, Tourmaline Oil Corp. struggled, posting a return of -6.43%. Mid-cap stocks saw Lumine Group, Inc. leading with an impressive return of 20.94%, while Capstone Copper Corp. lagged behind with a decline of 9.65%. In the small-cap category, TECSYS, Inc. stood out with a return of 11.11%, whereas Kits Eyecare Ltd. faced challenges, recording a return of -12.93%. Overall, the market's advance-decline ratio indicates a challenging environment, with 219 stocks advancing against 484 declining, resulting in a ratio of 0.45x. This trend was mirrored across market caps, with large caps at 0.53x, mid caps at 0.49x, and small caps at 0.54x.