Top 10 Contributors
S&P 500: 7637.76 | 📈 Up (1.16%)
Market Structure Score
63/100
Neutral Structure
🔁 Regime shift: Weak / Risk-Off → Neutral
Headline index performance continued to rely disproportionately on a concentrated leadership cohort, suggesting underlying strength remained narrower than headline returns implied. Internal confirmation remains limited, reducing confidence in the durability of the current market character.
The internal backdrop remains balanced, with improving conditions offset by pockets of continued weakness. The Market Structure Score of 63/100 reflects low confidence in this assessment.
⬥ 286 of 502 stocks advanced (▲57.0%)
⬥ 208 stocks declined (▼41.4%)
⬥ 8 stocks unchanged
⬥ Leadership remained concentrated.
⬥ Advancers clearly outnumbered Decliners.
Leadership continued to rotate across sectors, indicating capital was being reallocated rather than concentrated in a single leadership group. However, weakening participation reduces confidence that the rotation represents a durable bullish signal.
Elevated leadership concentration could reduce the market’s resilience. Rapid leadership rotation suggests institutional conviction remains fluid. Breadth continues to lag headline index performance. Trading conviction remains below recent norms. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.
Meaningful improvement in participation and internal confirmation will be needed before confidence can recover. Failure to improve would leave the market vulnerable to additional weakness.
The weight of the internal evidence continues to support a narrow momentum leadership market environment with low confidence. While short-term price fluctuations are inevitable, sustained improvement in participation and leadership would reinforce the current assessment, whereas renewed deterioration in market internals would warrant a more defensive interpretation.
Market Signals
▶ 📈 Cap-weighted leadership confirmed the advance.
▶ ⚠️ Leadership became highly concentrated in a handful of mega-cap stocks.
▶ 🚀 Participation expanded sharply from the previous session.
▶ ⚠️ Large-cap leadership outpaced the broader market.
▶ 💹 Winning stocks outperformed losers by a comfortable margin.
▶ ⭐ Performance was boosted by a handful of outsized winners.
Top Contributors (>0.01%)
| Ticker | Return | Contribution | Share | Impact_Efficiency | Rank |
|---|---|---|---|---|---|
| NVDA | 2.54% | 0.21% | 13.07% | 0.081569 | 1 |
| AAPL | 1.38% | 0.10% | 6.10% | 0.070144 | 2 |
| MU | 5.50% | 0.09% | 5.96% | 0.017208 | 3 |
| AMD | 6.36% | 0.08% | 5.24% | 0.013094 | 4 |
| AMZN | 2.13% | 0.08% | 5.10% | 0.038059 | 5 |
| GOOGL | 1.29% | 0.08% | 4.89% | 0.060370 | 6 |
| MSFT | 1.52% | 0.07% | 4.67% | 0.048795 | 7 |
| AVGO | 2.29% | 0.07% | 4.41% | 0.030490 | 8 |
| INTC | 7.67% | 0.06% | 3.89% | 0.008055 | 9 |
| TSLA | 2.27% | 0.04% | 2.58% | 0.018065 | 10 |
| ORCL | 5.19% | 0.03% | 2.01% | 0.006150 | 11 |
| META | 1.34% | 0.03% | 1.77% | 0.021070 | 12 |
| SNDK | 6.21% | 0.02% | 1.56% | 0.003988 | 13 |
| CSCO | 2.32% | 0.02% | 1.15% | 0.007886 | 14 |
| LLY | 1.28% | 0.02% | 1.11% | 0.013687 | 15 |
| CAT | 2.02% | 0.01% | 0.86% | 0.006719 | 16 |
Definitions:
Contribution – The weighted impact of a stock’s return on the overall index move
(weight × return). This reflects how much each stock actually moved the index.
Share – The proportion of total index movement attributable to a given stock.
Higher values indicate outsized influence relative to peers.
Impact Efficiency – The ratio of contribution to return, highlighting how effectively
a stock’s price move translates into index impact (primarily driven by index weight).
