Top 10 Contributors
S&P 500: 7743.41 | 📈 Up (0.52%)
Market Structure Score
57/100
Fragile 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 57/100 reflects low confidence in this assessment.
⬥ 323 of 502 stocks advanced (▲64.3%)
⬥ 173 stocks declined (▼34.5%)
⬥ 6 stocks unchanged
⬥ Leadership was broadly distributed.
⬥ Participation improved versus recent sessions.
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.
Rapid leadership rotation suggests institutional conviction remains fluid. 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 remained moderately concentrated.
▶ 🔄 Leadership rotation accelerated.
▶ 🚀 Participation expanded sharply from the previous session.
Top Contributors (>0.01%)
| Ticker | Return | Contribution | Share | Impact_Efficiency | Rank |
|---|---|---|---|---|---|
| MSFT | 3.66% | 0.18% | 15.62% | 0.048795 | 1 |
| AAPL | 1.53% | 0.11% | 9.40% | 0.070144 | 2 |
| GOOGL | 0.53% | 0.03% | 2.76% | 0.059323 | 3 |
| AVGO | 0.70% | 0.02% | 1.86% | 0.030490 | 4 |
| COST | 2.93% | 0.02% | 1.70% | 0.006624 | 5 |
| NVDA | 0.22% | 0.02% | 1.56% | 0.081569 | 6 |
| JPM | 1.33% | 0.02% | 1.49% | 0.012866 | 7 |
| LRCX | 2.62% | 0.02% | 1.48% | 0.006447 | 8 |
| QCOM | 3.97% | 0.02% | 1.38% | 0.003974 | 9 |
| AMAT | 2.27% | 0.01% | 1.21% | 0.006111 | 10 |
| CAT | 2.03% | 0.01% | 1.19% | 0.006719 | 11 |
| GE | 2.29% | 0.01% | 1.05% | 0.005278 | 12 |
| TXN | 2.74% | 0.01% | 1.02% | 0.004256 | 13 |
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).
