Top 10 Contributors
S&P 500: 7650.50 | 📈 Up (0.24%)
Market Structure Score
46/100
Weak Structure
🔁 Regime shift: Neutral → Weak / Risk-Off
Selling pressure extended across a broad cross-section of the market, indicating widespread institutional distribution rather than isolated weakness. Internal confirmation remains limited, reducing confidence in the durability of the current market character.
Underlying market conditions have weakened sufficiently to raise questions about the durability of the current trend. The Market Structure Score of 46/100 reflects low confidence in this assessment.
⬥ 154 of 502 stocks advanced (▲30.7%)
⬥ 343 stocks declined (▼68.3%)
⬥ 5 stocks unchanged
⬥ Participation quality weakened.
⬥ Participation weakened versus recent sessions.
Leadership outpaced broader participation, highlighting a disconnect between capitalization-weighted performance and the average constituent.
Breadth continues to lag headline index performance. Participation has weakened across the broader market. Trading conviction remains below recent norms. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.
The outlook remains cautious until participation broadens, leadership stabilizes, and internal confirmation begins to recover.
The weight of the internal evidence continues to support a broad distribution 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
▶ ⚠️ Weak participation — selling pressure dominated the session.
▶ 🔍 Leadership remained moderately concentrated.
▶ 📉 Participation deteriorated noticeably from the previous session.
▶ ⚠️ Large-cap leadership outpaced the broader market.
Top Contributors (>0.01%)
| Ticker | Return | Contribution | Share | Impact_Efficiency | Rank |
|---|---|---|---|---|---|
| NVDA | 1.34% | 0.11% | 8.30% | 0.081569 | 1 |
| AVGO | 2.97% | 0.09% | 6.90% | 0.030490 | 2 |
| MU | 3.92% | 0.07% | 5.14% | 0.017208 | 3 |
| LRCX | 6.98% | 0.05% | 3.43% | 0.006447 | 4 |
| SNDK | 10.99% | 0.04% | 3.34% | 0.003988 | 5 |
| AMAT | 6.51% | 0.04% | 3.03% | 0.006111 | 6 |
| AMZN | 1.00% | 0.04% | 2.91% | 0.038059 | 7 |
| AMD | 2.70% | 0.04% | 2.70% | 0.013094 | 8 |
| GOOGL | 0.42% | 0.03% | 2.06% | 0.063649 | 9 |
| STX | 6.93% | 0.02% | 1.64% | 0.003100 | 10 |
| KLAC | 4.74% | 0.02% | 1.55% | 0.004289 | 11 |
| TXN | 3.29% | 0.01% | 1.07% | 0.004256 | 12 |
| WDC | 4.13% | 0.01% | 0.94% | 0.002994 | 13 |
| ADI | 3.60% | 0.01% | 0.88% | 0.003217 | 14 |
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).

