The S&P 500 index experienced a positive day, rising by 0.55%, continuing its upward trend with a 0.51% increase over the past 30 days. Market breadth was favorable, with a total of 2,821 stocks advancing compared to 1,638 declining, resulting in an advance-decline ratio of 1.72x across all market capitalizations.
In the large-cap sector, Arista Networks, Inc. stood out as the top performer, achieving a return of 8.74%. Conversely, Abbott Laboratories faced challenges, recording a decline of 10.04%. The mid-cap segment saw Datadog, Inc. leading with a return of 6.31%, while McCormick & Co., Inc. struggled with an 8.05% drop. Small-cap stocks were particularly dynamic, with Redwire Corp. surging by 17.45%, while Inspire Medical Systems, Inc. fell by 16.0%.

The advance-decline ratios varied across market segments, with large caps at 1.67x, mid caps at 1.19x, and small caps at 1.49x, indicating a generally positive sentiment in the market. Overall, today's performance reflects a robust market environment, with notable gains in various sectors.