Top 10 Contributors
S&P 500: 7764.70 | 📈 Up (1.49%)
Market Structure Score
67/100
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. Most internal measures were broadly consistent with this assessment, although some divergence remains beneath the surface.
The internal backdrop remains balanced, with improving conditions offset by pockets of continued weakness. The Market Structure Score of 67/100 reflects moderate confidence in this assessment.
⬥ 283 of 502 stocks advanced (▲56.4%)
⬥ 213 stocks declined (▼42.4%)
⬥ 6 stocks unchanged
⬥ Leadership remained concentrated.
⬥ Cap-weighted participation confirmed the move.
Performance remained heavily dependent on a relatively small group of large-cap leaders, leaving the broader market less supportive than headline index returns alone would suggest.
Elevated leadership concentration could reduce the market’s resilience. Breadth continues to lag headline index performance. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.
The market is approaching an important inflection point. Broader participation and firmer leadership would shift the balance toward a more constructive outlook, whereas weaker breadth would increase the probability of renewed internal deterioration.
The weight of the internal evidence continues to support a narrow momentum leadership market environment with moderate 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.
▶ ⚠️ Elevated dispersion reflects increasingly uneven market behavior.
▶ 💪 Individual stock moves carried above-average conviction.
▶ 🚀 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 |
|---|---|---|---|---|---|
| META | 11.34% | 0.24% | 11.92% | 0.021070 | 1 |
| NVDA | 2.30% | 0.19% | 9.36% | 0.081569 | 2 |
| AMD | 9.95% | 0.13% | 6.50% | 0.013094 | 3 |
| GOOGL | 1.71% | 0.10% | 5.11% | 0.059668 | 4 |
| INTC | 12.14% | 0.10% | 4.88% | 0.008055 | 5 |
| MSFT | 1.59% | 0.08% | 3.86% | 0.048795 | 6 |
| AMZN | 1.87% | 0.07% | 3.55% | 0.038059 | 7 |
| AAPL | 0.85% | 0.06% | 2.97% | 0.070144 | 8 |
| TSLA | 3.03% | 0.05% | 2.73% | 0.018065 | 9 |
| MU | 2.77% | 0.05% | 2.38% | 0.017208 | 10 |
| AVGO | 1.41% | 0.04% | 2.15% | 0.030490 | 11 |
| QCOM | 9.29% | 0.04% | 1.84% | 0.003974 | 12 |
| LRCX | 4.92% | 0.03% | 1.58% | 0.006447 | 13 |
| AMAT | 4.42% | 0.03% | 1.35% | 0.006111 | 14 |
| KLAC | 3.94% | 0.02% | 0.84% | 0.004289 | 15 |
| APP | 7.18% | 0.02% | 0.83% | 0.002323 | 16 |
| PLTR | 3.07% | 0.02% | 0.76% | 0.004972 | 17 |
| LLY | 1.04% | 0.01% | 0.71% | 0.013687 | 18 |
| CSCO | 1.78% | 0.01% | 0.70% | 0.007886 | 19 |
| GLW | 5.89% | 0.01% | 0.70% | 0.002368 | 20 |
| CRWD | 4.92% | 0.01% | 0.68% | 0.002783 | 21 |
| NFLX | 2.19% | 0.01% | 0.58% | 0.005287 | 22 |
| APH | 4.09% | 0.01% | 0.57% | 0.002772 | 23 |
| WBD | 10.79% | 0.01% | 0.55% | 0.001030 | 24 |
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).

