The S&P/TSX 60 index experienced a notable decline, falling by 1.55% today and down 2.84% over the past five days. However, the index has shown resilience with a 1.77% increase over the last 30 days. In the large-cap sector, Constellation Software, Inc. emerged as the top performer with a return of 5.95%, while Celestica, Inc. struggled, recording a loss of 6.56%. The mid-cap segment saw Topicus.com, Inc. leading with a gain of 3.44%, contrasted by Algonquin Power & Utilities Corp., which faced a significant decline of 11.55%. Small-cap stocks displayed a mixed performance, with Verano Holdings Corp. achieving an impressive return of 21.53%, while Profound Medical Corp. suffered a steep loss of 29.2%. Overall, the market's advance-decline ratio indicates a challenging environment, with 221 stocks advancing against 487 declining, resulting in a ratio of 0.45x. This trend is echoed across large-cap, mid-cap, and small-cap stocks, highlighting the prevailing bearish sentiment in the market.