The S&P/TSX 60 index experienced a decline of 0.4% today, reflecting a broader trend as it has decreased by 0.28% over the past month. The market's performance was characterized by a significant disparity between advancing and declining stocks, with 273 stocks advancing compared to 407 declining, resulting in an overall advance-decline ratio of 0.67. In the large-cap segment, Cenovus Energy, Inc. emerged as the top performer, posting a return of 4.58%. Conversely, Constellation Software, Inc. struggled, recording a decline of 8.12%. The mid-cap sector saw First Quantum Minerals Ltd. leading with a return of 3.14%, while Lundin Gold, Inc. faced a downturn of 4.62%. Small-cap stocks displayed notable volatility, with Docebo, Inc. achieving a remarkable return of 20.67%, while goeasy Ltd. suffered a significant loss of 18.2%. The advance-decline ratios varied across market caps, with large caps at 0.41, mid caps at 0.6, and small caps at 0.73, indicating a challenging day for many investors.