The S&P/TSX 60 index experienced a slight decline of 0.33% today, marking a 0.41% drop over the past five days. However, the index has shown resilience with a notable increase of 5.73% over the last 30 days. In the large-cap segment, Tourmaline Oil Corp. emerged as the top performer, delivering a return of 5.11%. Conversely, Waste Connections, Inc. struggled, recording a decline of 2.91%. Mid-cap stocks saw ARC Resources Ltd. leading the pack with an impressive return of 21.15%, while B2Gold Corp. faced challenges, posting a loss of 8.55%. Among small-cap stocks, Terrascend Corp. stood out with a return of 17.58%, while Tethys Petroleum Ltd. lagged behind with a decline of 7.55%. Overall, the market's advance-decline ratio reflected a challenging environment, with 318 stocks advancing against 341 declining, resulting in a ratio of 0.93x. The large-cap sector showed a more pronounced struggle, with only 20 advancing compared to 32 declining, yielding a ratio of 0.62x.