The S&P 500 index experienced a modest increase of 0.25% today, reflecting a similar uptick over the past five days. However, the index has seen a slight decline of 0.16% over the last 30 days, indicating a mixed performance in the broader market.
In the large-cap sector, The Boeing Co. emerged as the standout performer with a notable return of 10.15%, while McKesson Corp. struggled, recording a decline of 3.17%. The mid-cap segment saw MongoDB, Inc. leading with an impressive return of 22.23%, contrasting with Block, Inc., which faced a downturn of 6.59%.

Small-cap stocks displayed significant volatility, with Hudson Pacific Properties, Inc. soaring by 617.68%, while Janux Therapeutics, Inc. plummeted by 53.34%.

Overall, the advance-decline ratio across the market showed 1,896 stocks advancing against 2,523 declining, resulting in a ratio of 0.75. In large-cap stocks, the ratio was slightly positive at 1.02, with 118 advancing and 116 declining. Mid-cap stocks struggled with a ratio of 0.65, while small-cap stocks also faced challenges with a ratio of 0.75.