The S&P 500 index experienced a decline of 0.92% today, marking a more significant drop of 2.61% over the past five days. However, the index has shown a slight recovery, gaining 0.13% over the last 30 days.
In the large-cap sector, Alphabet, Inc. emerged as the top performer with a return of 3.11%, while Netflix, Inc. faced a staggering decline of 90.08%. Mid-cap stocks saw Western Digital Corp. leading with a return of 2.93%, contrasting with Expedia Group, Inc., which fell by 7.75%.

Among small-cap stocks, Zymeworks, Inc. stood out with an impressive return of 29.05%, while Gibraltar Industries, Inc. struggled with a decline of 20.3%.

The overall market showed a significant imbalance in stock performance, with 959 stocks advancing compared to 3,529 declining, resulting in an advance-decline ratio of 0.27. This trend was mirrored in large-cap stocks, where 46 advanced against 187 that declined, yielding a ratio of 0.25. Mid-cap stocks had 47 advancing and 217 declining, with a ratio of 0.22, while small-cap stocks reported 187 advancing and 1,288 declining, resulting in a ratio of 0.15.