Top 10 Contributors
S&P 500: 7600.50 | 📈 Up (1.54%)
Market Structure Score
81/100
Strong Structure
🔁 Regime shift: Neutral → Strong but Concentrated
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.
Most internal measures remain supportive of the prevailing trend, although enough divergence persists to justify a measured rather than aggressive level of conviction. The Market Structure Score of 81/100 reflects moderate confidence in this assessment.
⬥ 338 of 502 stocks advanced (▲67.3%)
⬥ 163 stocks declined (▼32.5%)
⬥ 1 stock unchanged
⬥ Advancers clearly outnumbered Decliners.
⬥ Leadership remained concentrated.
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 current backdrop remains constructive. Continued improvement in participation and leadership would strengthen confidence in the prevailing trend, while renewed deterioration in breadth or conviction would argue for a more cautious interpretation.
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
▶ ✅ Strong participation across index constituents.
▶ 📈 Cap-weighted leadership confirmed the advance.
▶ ⚠️ Leadership became highly concentrated in a handful of mega-cap stocks.
▶ 💪 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 |
|---|---|---|---|---|---|
| GOOGL | 4.66% | 0.28% | 12.13% | 0.060618 | 1 |
| MSFT | 4.93% | 0.24% | 10.34% | 0.048795 | 2 |
| NVDA | 2.93% | 0.24% | 10.28% | 0.081569 | 3 |
| AMZN | 4.58% | 0.17% | 7.49% | 0.038059 | 4 |
| META | 6.02% | 0.13% | 5.45% | 0.021070 | 5 |
| TSLA | 3.49% | 0.06% | 2.71% | 0.018065 | 6 |
| ORCL | 9.22% | 0.06% | 2.44% | 0.006150 | 7 |
| SNDK | 6.03% | 0.02% | 1.03% | 0.003988 | 8 |
| AMD | 1.78% | 0.02% | 1.00% | 0.013094 | 9 |
| AVGO | 0.76% | 0.02% | 0.99% | 0.030490 | 10 |
| BA | 8.03% | 0.02% | 0.90% | 0.002619 | 11 |
| CRWD | 6.12% | 0.02% | 0.73% | 0.002783 | 12 |
| VRT | 8.89% | 0.02% | 0.73% | 0.001904 | 13 |
| PANW | 4.61% | 0.02% | 0.69% | 0.003462 | 14 |
| GLW | 6.07% | 0.01% | 0.62% | 0.002368 | 15 |
| ISRG | 6.25% | 0.01% | 0.61% | 0.002284 | 16 |
| ETN | 5.55% | 0.01% | 0.59% | 0.002495 | 17 |
| MU | 0.79% | 0.01% | 0.58% | 0.017208 | 18 |
| GE | 2.46% | 0.01% | 0.56% | 0.005278 | 19 |
| AMAT | 2.08% | 0.01% | 0.55% | 0.006111 | 20 |
| CAT | 1.87% | 0.01% | 0.54% | 0.006719 | 21 |
| NFLX | 2.26% | 0.01% | 0.51% | 0.005287 | 22 |
| COHR | 9.60% | 0.01% | 0.50% | 0.001215 | 23 |
| HD | 2.43% | 0.01% | 0.49% | 0.004739 | 24 |
| DELL | 5.83% | 0.01% | 0.48% | 0.001924 | 25 |
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).
