In today's market summary, the S&P 500 index experienced a decline of 0.57%, although it has shown a positive trend over the past month with an increase of 1.39%. The overall market saw 1,802 stocks advancing compared to 2,189 declining, resulting in an advance-decline ratio of 0.82. Among large-cap stocks, Roblox Corp. emerged as the top performer with a return of 8.06%, while Marvell Technology, Inc. struggled, posting a return of -9.78%. In the mid-cap sector, Take-Two Interactive Software, Inc. led with a return of 6.35%, whereas Monolithic Power Systems, Inc. faced a decline of 9.29%. Small-cap stocks saw Certara, Inc. shine with a remarkable return of 16.12%, while Huntsman Corp. lagged behind with a significant drop of 17.05%. The advance-decline ratios varied across market caps, with large caps showing a healthier ratio of 1.42, mid caps at 1.2, and small caps at 0.97, indicating mixed performance across different segments of the market.